What creates recirculating currents and turbulent waters that can swamp boats and drown boaters?

Answers

Answer 1
A low-head dam creates recirculating currents and turbulent waters that can swamp boats and drown boaters. Low-head dams are dangerous for boater because  they have a significant drop off and fast-flowing water , they are difficult to spot from upstream,Dams can deceive even experienced boater, dams  hydraulics are unpredictable.
Answer 2
Final answer:

Recirculating currents and turbulent waters that can swamp boats and drown boaters are caused by factors in physics, particularly in fluid dynamics. Ocean currents and the movement of large objects can create vortices and turbulence.

Explanation:

The recirculating currents and turbulent waters that can swamp boats and drown boaters are caused by a combination of factors in physics, particularly in fluid dynamics. One factor is the ocean currents, which can create vortices and turbulence. Another factor is the movement of large objects, such as boats and airplanes, which create significant turbulence as they move through the water or air.


Related Questions

Explain how a neurotoxin present in the venom can paralyze one type of prey but not another

Answers

This is because some organismsbhave adapted to become immune to these poisons. 

Most neurotoxins are transferred through the blood stream, and use the blood cells to transfer to the nerves. Pufferfish poison, for example, follows sodium channels in the blood. It can paralyze the lungs because it follows Na- channels, but not the Na+ channels that lead to the heart. This is because humans have indirectly evolved, or evolved for one reason that just so happened to help in another way, to become partially immune.

Another example, bee venom won't kill you if you aren't allergic, however, it can kill some other organisms



Following on from what lgodbout23otm0my said, it could be to do on a microscopic level as well and how the tertiary structure of the protiens in the neurotoxins are not specific and complementary to the enzymes in the host and thus do not break down to cause damage to the host tissues from the products of the hydrolysis

When hot, many mammals sweat to control their body temperature. evaporation contributes to temperature moderation, but mammals' ability to control their body temperature is mainly due to __________?

Answers

The absorption of heat by the breaking of hydrogen bonds, think homeostasis or hypothalamus.

Answer:

Homeostatsis

Explanation:

Mammals are homoeothermic, which means they can adjust their body temperature as per change in temperature of the surroundings. This is called homeostasis.

Homeostasis is a self-regulatory process by which some organisms such as mammals, birds maintains their internal environment constant.

For examples, the body of a human body functions optimum at normal temperature which is  37°C. If the body temperature increases well above 37°C, then by self-regulatory process body bring down temperature to the normal.

In a hair the outermost single layer of cells that overlap one another like shingles is called the

Answers

it is called the cuticle

The outermost layer of a hair shaft, consisting of cells that overlap one another like shingles, is called the cuticle. This layer provides protection to the inner parts of the hair. Option b is correct.

In the structure of a hair shaft, there are three distinct zones. The cuticle is the outermost layer of the hair, and it consists of a single layer of cells that overlap one another like shingles on a roof. This arrangement helps protect the inner layers of the hair. The middle zone is called the cortex, and it contains keratinized cells that provide strength and color to the hair. The innermost zone is the medulla, which is composed of loosely packed cells and air spaces.Therefore, the outermost single layer of cells that overlap each other like shingles is called the cuticle.

Complete question as follows:

In a hair the outermost single layer of cells that overlap one another like shingles is called the

a. Cortex

b. Cuticle

c. Medulla

d. Papilla

If a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water?        A. Water will move out of the cell, causing it to shrivel.   B. Water will move into the cell, causing it to swell.   C. Water will move out of the cell, causing it to swell.   D. Water will move in and out of the cell at the same rate.

Answers

WATER WILL MOVE OUT OF THE CELL CAUSING IT TO SHRIVEL. This is because, the more solute a solution contain, the less its probability of crossing a semi permeable membrane into another compartment, this then result in the net flow of water from the region of lower solute concentration to the region of higher solute concentration. Thus, water will flow out of the cell which has lower solute concentration into the surrounding solution which has higher concentration. The outflow of water will make the cell to shrivel.

A nurse is caring for a client with constipation. the incidence of constipation tends to be high among clients that follow which diet?

Answers

The incidence of constipation is high among patients who follow diet which lack fruits and vegetables. 
Constipation is a medical condition in which the patient find it hard to empty the bowel as a result of hardened feces.
The condition can be alleviated by drinking much water and by eating fruits and vegetables.

The highly specialized blood cell whose function is oxygen transportation is

Answers

A red blood cell's function is to  transport oxygen.

Different scientists have different experiences and research goals. How do these differences help science advance

Answers

It is because of scientist's difference in terms of experience and goals, it makes them help science advance as they have different goals in mind where in they tackle and research more things in search of their goals that they make the knowledge and science research to increase and to widen, into helping the science advance and to not become constant and inactive.

The thyroid is a gland in the body that releases hormones. To what body system does it belong to?

Answers

its part of the endocrine system 

Describe one example of poaching that is prevalent

Answers

The act of illegally killing an animal is poaching. The very prominent subject of the poaching is Rhino. Due to extensive illegal hunting, some species of which are now virtually extinct. However there is poaching of many other animals, like poaching of elephant which is poached for the ivory in their tusks.

Receptors for ________, peptide hormones, and eicosanoids are found in the cell membranes of target cells.

Answers

The answer is Catecholamine. It is any of a class of aromatic amines that includes a number of neurotransmitters such as epinephrine and dopamine. The adrenergic receptors are a class of G protein-coupled receptors that are targets of the catecholamines, especially norepinephrine (noradrenaline) and epinephrine (adrenaline). These three - catecholamine, peptide hormones and eicosanoids acts as extracellular membrane receptors which means that these receptors are embedded in the membranes of cells. They act in cell signaling by receiving (binding to) extracellular molecules.

A network of interlacing nerve fibers in the peripheral nervous system (PNS):

Answers

A network of interlacing nerve fibers in the peripheral nervous system (PNS) is called the nerve plexus. It is a branching network of nerves. It consists of efferent and afferent fibers that are results of the anterior rami of blood vessels and spinal nerves. These nerves are for motor and sensory functions.
Final answer:

The peripheral nervous system (PNS) is the interlaced network of nerve fibers that enables communication between the brain and spinal cord (the central nervous system, or CNS) and the rest of the body. It serves a key role in transmitting sensory inputs and motor responses and comprises the sensory-somatic and the autonomic nervous systems. The PNS is vulnerable to injury and infections, which can result in neuropathy.

Explanation:

The peripheral nervous system (PNS) is a network of interlacing nerve fibers that serve as the connection between the central nervous system (CNS) and the rest of the body. The PNS consists of nerve cord-like bundles of axons that transmit both sensory inputs from the body to the CNS and motor responses from the CNS to the rest of the body. The nerves within the PNS are divided into the sensory-somatic nervous system, which manages the transmission of sensory information, and the autonomic nervous system, overseeing involuntary body functions.

The PNS operates much like the wires that connect a power source to individual houses. It carries the signals generated by the 'power plant' of the CNS, enabling these signals to control the body's functions and allowing the CNS to receive sensory information from the body. The PNS comprises bundles of axons, which, unlike the tracts in the CNS, are bound by multiple layers of connective tissue and supplied with nourishment by blood vessels.

Damage or infection to the nerves of the PNS can lead to neuropathy, resulting in sensations of tingling or numbness. The PNS and CNS are critical subsystems of the human nervous system, working interactively to maintain the communication network of the body.

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The ________ division of the autonomic nervous system is known as the "rest and digest" division.

Answers

The Parasympathetic division of the autonomic nervous system is known as the "rest and digest" division.
It is what controls the day-to-day "normal" functions of the body when we are not aroused, alarmed, or in a state of vigor such as exercise. For example, it keeps us breathing at a steady rate between 8-16 breaths per minute, keeps our heartrate between 60-90 beats per minute, keep blood flowing to our digestive organs and kidneys to process nutrients and filter out wastes, respectively. Hence the term "rest and digest."
It's antithetical system is the Sympathetic subdivision of the Autonomic Nervous System (ANS), which upon alarm or proper stimulus (activity): speeds up heartrate and respiratory rate, slows down digestive and kidneys function, and diverts blood from those organs (intestines and kidneys) to heart, lungs, and skeletal muscle for work and movement, aka "fight or flight."

This reaction releases ____________ from the acrosome of the sperm cell, which then digest a path through the granulosa cells and the ____________ .

Answers

This reaction releases enzyme from the acrosome of the sperm cell, which then digest a path through the granulosa cells and the zona pellucida.

This question is probably about fertilization when sperm is going acrosomal reaction. In this phase, the sperm will try to come inside ovum by using an enzyme to make the path.

Which two characteristics of living things do viruses exhibit PLZ HELP!!!!!!!!!!!

1.They have genetic material.

2.They increase in size over time.

3.They are made up of a single cell.

4.They eliminate waste.

5.They reproduce.

Answers

The two characteristics that viruses have same as that of living things are mentioned as under:-

1. They have genetic material & 5.They reproduce.

They have genetic material as either DNA or RNA like living beings. The genetic material of viruses is surrounded by capsid which is made up of proteins. Apart from this basic feature they have the ability to reproduce. They infect a host cell and take control of host's cellular machinery to reproduce. They use host's energy in the form ATP and use the host's resources to regenerate their own replicas. They are basically parasitic in nature because they infect a host and use its resources without providing it any benefit.

Rest of the options are incorrect. Viruses do not increase in size. They are acellular i.e. they are not cellular neither they eliminate wastes.

Answer:  The two characters that viruses exhibit like that of living things are :

1. Viruses have genetic material, they carry RNA or DNA as genetic material. The nucleic acid may be double or single stranded. The virus is entirely an infectious particle. which consists of virons and outer shell which is made up of nucleic acid.

2. They reproduce: Viruses during the infection process in the target host cell reproduce and produce many viruses.

In an atom, what and what have equal numbers?

Answers

What I was taught was electrons and protons.
Electrons and Protons is the correct answer

How are DNA and cellular reproduction linked in the process of inheritance?

Answers

Inheritance is the process by which traits are passed from the parents to their offspring. The basic unit of inheritance in human is the DNA. For traits  to be passed from the parent to the offspring, the DNA in the cell must be duplicated and this happens through the process of cellular reproduction.

Sandstone and basalt can be changed by heat and pressure to form _____.

a. limestone

b. granite

c. sedimentary rocks

d. metamorphic rocks

Answers

My answer would be B!

Answer:

Granite

Explanation:

Suppose you have monohybrid flowers in your garden and find that they produce black seeds to brown seeds in the ratio of 3:1. If the allele are designated (B & b) receptively, what are the probable genotypes of the black seeds produced by your plants?

Answers

make the brown seeds blue

Answer:BB ONLY

Explanation:

During dna replication two extra guanine bases are added to the dna. what type of mutation is this

Answers

Based on the above information, the mutation type is frameshift mutation. 


It is a genetic mutation caused by indels of various nucleotides in a DNA succession that is not detachable by three. The additions and erasures cause an adjustment in the length of a quality, which causes a movement in the codon perusing outline. A frameshift mutation happens when a protein is radically modified as a result of an addition or an erasure. Tay-Sachs illness is a human issue caused by a frameshift change.

frameshift mutation -apex

The kidney is referred to as an excretory organ because it excretes ___(1)___ wastes. it is also a major homeostatic organ because it maintains the electrolyte, ___(2)___ , and ___(3)___ balance of the blood. urine is continuously formed by the ___(4)___ and is routed down the ___(5)___ by the mechanism of ___(6)___ to a storage organ called the ___(7)___ . eventually, the urine is conducted to the body ___(8)___ by the urethra. in the male, the urethra is ___(9)___ centimeters long and transports both urine and___(10)___. the female urethra is___(11)___ centimeters long and transports only urine. voiding or emptying the bladder is called ___(12)___. voiding has both voluntary and involuntary components. the voluntary sphincter is the ___(13)___ sphincter. an inability to control this sphincter is referred to as ___(14)___.

Answers

The answers that are meant for the blanks spaces are listed below according to their numbers:
1. Nitrogenous
Nitrogenous wastes refers to metabolic wastes that contain nitrogen; two examples of these are urea and uric acid.
2.Water
3. Acid base
Kidney is an osmoregulatory organ, it participates in homeostasis by regulating the amount of water, electrolytes and the concentration of acid base balance in the body. It does this by means of various mechanisms which ensure that the internal environment of the body is kept constant.
4. Kidney
There are two kidneys in the body, they are responsible for urine production. They do this by filtering the blood and removing wastes, the wastes are then processed into urine and remove from the body.
5. Ureters
6. Peristalsis
7. Urinary bladder
Urine production involves the ureters, urinary bladder and urethra, these three form the urinary tract which act as a plumbing system that drain urine away from the kidneys.
8. Exterior
Urethra is the conducting pipe which leads the urine to the outside of the body for excretion.
9. 20 centimeter  
10. Semen
The urethra is a tube like structure, which is approximately 8 inches long in male, this is equivalent to 20 centimeters. It is used for the transportation of urine and semen.
11. 4 centimeter
In female, the urethra is between one to two inches long, which is equivalent to 4 centimeter.
12. Urination or micturition.
The process of passing the urine out of the body through the urethra is called urination.
13. The external urethral sphincter 
The urethral sphincter is associated with two muscles which are the internal urethra sphincter which is a smooth muscles that is under involuntary control while the external urethra sphincter is a striated muscle that is under voluntary control.
14. Incontinence.
Incontinence refers to poor bladder control, there are many types of incontinence caused by various factors.

Vaccination triggers an immune response which produces ________ immunity.

Answers

Vaccination triggers an immune response which produces artificial active immunity. This type of immunity can be obtained with a vaccination, which is a substance that contains the antigen. After the vaccination the body is stimulated to respond against the antigen. This way the immunity for the specific antigen is formed. 

Which disease is the most common type of hyperthyroidism?

Answers

The most common type of hyperthyroidism disease is an autoimmune subtype called Hashimoto's thyroiditis.
GRAVES DISEASE IS THE MOST COMMON TYPE OF HYPERTHYROIDISM

im thinking B but also A...trick question yea?

Answers

The best answer is B. For example, someone could ask for the probability of a tornado tomorrow. It's not very likely but it is still a valid probability.
I think it is B because it's describing if it did, what is most likely going to happen.

The lobes of the human brain, which play an important role in decision-making and planning for the future, are called the ____________.

Answers

The answer is frontal lobe. The frontal lobe is part of the cerebral cortex and is the largest of the structure of the brain. They are the main site of so called higher cognitive functions and contain a number of important substructures which includes the prefrontal cortex, orbitofrontal cortex, motor and premotor cortices and broca's area. These substructures are included in responsiveness and thought, voluntary actions, decision-making, and linguistic. The related purposes are executive procedures which is voluntary actions such as decision making, planning, problem-solving, and thinking, voluntary motor control, cognition, intelligence, attention, language dispensation and understanding, and many others.

An older adult living in a long-term care facility has been receiving lithium 600 mg twice a day for 3 weeks to ease manic behavior. the client is experiencing nausea and vomiting, diarrhea, thirst, polyuria, slurred speech, and muscle weakness. what is the most appropriate nursing intervention?

Answers

 

If the client is experiencing nausea and vomiting, diarrhea, thirst, polyuria, slurred speech, and muscle weakness, then the most appropriate nursing intervention would be withholding the next dose of lithium and drawing blood to test it for toxicity to avoid worsening the client’s condition.

 

To add, the variety of toxicities wherein some substances may give rise causes of harm to the entire body, hazard to specific organs, major/minor damage, or cause cancer are called health hazards. Anything falling outside of the definition cannot be classified as that type of toxicant. In treating schizophrenia, impulse control disorders, depression, eating disorders and certain mental illnesses in kids, lithium is used for them.

A theory is constantly subject to testing, modification, and may even be refuted as new evidence and ideas emerge. Which of the following is a popular theory that is studied extensively in marine science?
Conservation of energy
Conservation of mass
Evolutionary theory
Gravity

i think it is Evolutionary Theory

Answers

Answer:

The answer is C
Evolutionary Theory

Explanation:

Got it correct on the test

The theory of evolution by natural selection is a foundational concept in biology studied extensively in marine science, which explains biological diversity and is supported by substantial evidence and testing.

In marine science, the theory of evolution by natural selection is a popular theory that is studied extensively. This theory is significant to our understanding of biological diversity in marine life. The theory suggests that species change over time due to natural selection, where organisms better adapted to their environment tend to survive and reproduce, passing on advantageous traits to their offspring.

The theory of evolution is a foundational concept in biology, and unlike the general use of the term 'theory' as a simple guess, in science, it represents a well-supported body of knowledge that has stood up against rigorous testing and evidence. While the theory of evolution is continuously subject to testing and modification, it remains a key explanation for the diversity of life on Earth, both on land and in the oceans.

The fibrous skeleton of the heart functions in all of these ways except in __________.

Answers

The fibrous skeleton of the heart functions in all of these ways: when the positions of the muscle fibers and valves in the heart is stabilized, when for the cardiac muscle fibers and myocardial blood vessels and nerves physical support is provided, the distribution of the muscles contraction forces are controlled. The fibrous layer is the reinforcing layer of the pericardium.

Final answer:

The fibrous skeleton of the heart does not initiate cardiac contractions, a role instead fulfilled by the SA node. Cardiac muscle tissue, composed of cardiomyocytes connected by intercalated discs, synchronizes contractions to effectively pump blood. The fibrous skeleton provides structural support, anchors heart valves, and serves as an electrical insulator.

Explanation:

The fibrous skeleton of the heart serves several functions, including providing structural support for the heart, anchoring the heart valves, thus preventing their overextension, and acting as an electrical insulator that allows for the correct timing of atrial and ventricular contractions. However, one function that it does not serve is the initiation of cardiac contractions. Instead, specialized cardiac muscle cells known as the sinoatrial (SA) node are responsible for generating electrical impulses that initiate the heartbeat.

Cardiac muscle, also referred to as heart muscle, is under involuntary control and does not require stimulation by the nervous system to contract. Unlike skeletal muscle fibers, cardiac muscle cells or cardiomyocytes are shorter, typically have a single nucleus located centrally, and feature many mitochondria and myoglobin for aerobic metabolism. Cardiomyocytes are connected via intercalated discs, enabling synchronized contractions throughout the heart muscle. These characteristics allow the cardiac muscle tissue to efficiently pump blood into the vessels of the circulatory system.

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In the annunciation of the death of the virgin (13.23), duccio employs an innovative use of __________.

Answers

In the annunciation of the death of the virgin 13.23, duccio employs an innovative use of architecture. During this period the most fervent development in painting occurred in Italy. At the end of the thirteenth century, Italian artist began demonstrating an astonishing genius for strikingly dramatic works. Incorporating the neo greek influences acquired from the fourth crusade with the gothic style and a bold new emotional intensity was exposed. The first major step eliminating painting from the architectural setting of other art forms can be seen in the Annunciation of the Death of the Virgin by the Sienese master, Duccio. Earlier painters always placed architectural features in arrears the figures which makes a new perspective of space and depth. While duccio, in structural space and depth on a two dimensional surface, opening a window onto a distant scene, giotto distilled these concepts of depth and space to startling simplicity drawing the viewer into a picture. 

Choose the category in which this activity should be placed an activity such as walking or biking

Answers

I would say that these two activities should be placed in the category of outside exercise and slightly to mildly to moderately aerobic ( as in climbing a steep hill with a bike or walking up a hill or mountain). They both exercise the leg muscles plus the heart and lungs to some extent depending on the terrain. 

________ are large lymphoid nodules that are located in the walls of the pharynx. ________ are large lymphoid nodules that are located in the walls of the pharynx. immune complexes spleens tonsils lymph nodes peyer's patches

Answers

I think the correct answer is the third option. Tonsils are large lymphoid nodules that are located in the walls of the pharynx. Tonsils are a part of the lymphatic system and is one of the fighters against infections and the first line of defense for inhaled or ingested pathogens. On their surfaces, they have specialized antigen cells which are called as M cells that would allow the uptake of antigens that is produced by pathogens. The most common condition that could happen to the tonsils would be tonsillitis. Symptoms of these are sore throat, fever and swollen tonsils. It can be caused by different viruses and bacteria.
Final answer:

Tonsils are large lymphoid nodules in the walls of the pharynx that play a vital part in developing immunity to oral pathogens. They have tonsillar crypts that accumulate and eliminate materials from eating and breathing, hence playing a crucial role in recognizing, destroying, and developing immunity to common environmental pathogens.

Explanation:

Tonsils are large lymphoid nodules that are located in the walls of the pharynx. They play a crucial role in developing immunity to oral pathogens. Histologically, tonsils do not contain a complete capsule, and the epithelial layer invaginates deeply into the interior of the tonsil to form tonsillar crypts, which accumulate all sorts of materials taken into the body through eating and breathing.

When pathogens penetrate deep into the tonsillar tissues, they are acted upon by numerous lymphoid follicles and eliminated. This seems to be the major function of tonsils, to help children's bodies recognize, destroy, and develop immunity to common environmental pathogens.

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