What do scientists use to divide the geologic time scale? Major divisions in the fossil records Major divisions in the sedimentary rock layers Evidence for catastrophic events in Earth's history Major changes in mineral deposits in the rock layers

Answers

Answer 1
The correct option is B: MAJOR DIVISIONS IN THE SEDIMENTARY ROCK LAYERS.
Geologic time scale refers to a system of chronological dating which relates geological strata to time. Geologic time scale is used by scientists to describe the timing of the events that had occurred in the past, thus the scale divides the earth history into units of varying magnitude. There are four basic block of time, these are eons, eras, periods and epochs.
In determine geological time, rock records provide evidence of past geological events and life forms.

Related Questions

BIOLOGY HELP, PLEASE!

Water helps moderate the climate around large bodies of water. As a result, the temperatures in these areas are milder that inland where the temperatures are more extreme. This is due to water’s ______



a.) Mass


b.) Polar Structure


c.) High Heat Capacity


d.) Low Surface Tension

Answers

The correct answer is C, high heat capacity. 

Water is great at moderating climate due to its high heat capacity. Water absorbs heat on hot days to cool the air temperature above it and releases heat at night to warm the air above it. This helps to keep the temperatures more mild and not so extreme.

Lipids are a poor source of stored energy. lipids are a poor source of stored energy.
a. True
b. False

Answers

B. False it’s the only source of stored energy we got
Final answer:

Lipids are excellent sources of stored energy in the body, contrary to the mistaken belief that they are not. They store about twice the amount of energy as proteins or carbohydrates and can be broken down for use in periods of energy requirement.

Explanation:

The statement given is false; lipids are not a poor source of stored energy, but rather excellent ones. Lipids, which include fats, oils, waxes, and certain vitamins, serve multiple essential roles in the body. They act as important components of cell membranes and play key roles in signaling. However, one of their most vital functions is energy storage. Lipids pack about twice as much energy as proteins or carbohydrates per gram.

 

When the body needs energy, it can break down these lipid stores to provide it. This makes them a useful and efficient source of energy for extended periods without food, such as during fasting or starvation. To summarize, lipids are in reality very efficient and concentrated sources of stored energy in the body.

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What is one potential reason a plant may be forced to elevate its cell respiratory rate?

Answers

The rate of respiration in plant cells can be increased due to increase in atmospheric carbon (II) oxide. The enchanced respiration enables a plant to support greater transport of sugars from leaves to other growing parts of the plant such as roots,stems and branches, including the seeds, thus elevating its cell reapiratory rate.

Final answer:

A plant may need to elevate its cell respiratory rate due to heat stress, which occurs when temperatures exceed the optimum for growth, leading to physiological changes like increased cellular respiration to cope with increased oxygen levels and reduced photosynthesis.

Explanation:

One potential reason a plant may be forced to elevate its cell respiratory rate is due to heat stress. Plants have an optimum temperature for growth, and exceeding this temperature can induce several physiological and biochemical changes. For instance, stomata might close to limit water loss under high temperature, which restricts CO₂ uptake, decreasing photosynthesis, and leading to an accumulation of O₂ in leaf tissues. This accumulation can cause free radical O₂ to oxidize cell membrane lipids, compromising their function. Consequently, respiration within the cells increases, using more stored energy and potentially resulting in reduced growth or even death if the heat stress is severe or prolonged. Additionally, temperature acclimation is important for understanding how plants adjust to changing climates.

Identify at least six different types of private healthcare facilities

Answers

Six different types of private healthcare facilities are hospitals, clinics, outpatient care centers, and specialized care centers, such as birthing centers and psychiatric care centers. Health facilities provides healthcare. When you want health care, you may choose this center.

Answer:

The following are the six different kinds of private healthcare facilities:  

1. General or Acute care hospitals: It offers services to treat, diagnose the ailments for a brief time duration. They generally provide obstetrical and emergency care.  

2. Specialty care hospitals: It offers attention for very particular kinds of diseases.  

3. Nursing home facilities: It offers lengthened care for patients who require supplementary time to improve from an injury or an illness.  

4. Outpatient clinics or surgical centers: It offers services, which do not need overnight hospitalization. In this the services vary from basic surgeries to diagnostic therapy or testing.  

5. Home health care: It offers nursing, personal care, therapy, or housekeeping services in the home of the patient.  

6. Rehabilitation center: It offers intensive occupational and physical therapy that comprises outpatient and inpatient treatment.  

How are cats and trees similar and different?

Answers

Cats and trees they are both living things. They both are needed food, water, air, etc.... Differences: 1.Then the cat can be move and tree can't move. 2.Cats are part of the animal kingdom and trees are not the kingdom. 3. Cats are living to some years and trees are living many years ago 4. They both need different nutrients and minerals.
Cats and trees are similar in a way that they are considered to be living creatures as they were able to grow and have needs like other living beings in the planet. The only difference that they has is that aside that they are living things, both of them are different in their physical form, their characteristics and how they live in this earth to survive and grow.

Which type of tissue membrane is characteristically dry?

Answers

The answer is "Cutaneous Membrane" which is normally known as skin. The outer epithelium tissue is called epidermis while the connective tissue is dermis. The Cutaneous tissues are the most outer protective layer for body as well as carry out many more useful functions such as preventing loss of water, normalizing body temperature etc.

Carbohydrates are one of four types of _________ molecules.
organic
inorganic
ionic

Answers

they are one of the four organic compounds

The substance made up of oxygen, carbon and hydrogen molecule is called a carbohydrate, it is an essential compound for cell functioning, growth as well as metabolism.

Carbohydrates are one of the four types of organic molecules.

Type of molecules:

Organic molecule - compounds having a carbon-hydrogen bond in them are called organic. Also, they have some type of non-metals like nitrogen, oxygen etc. in their structural organizations. Organic compounds generally provide and stores energy and assemble the structure of cells and tissues.

Inorganic molecule - any molecule that lacks a carbon atom is said to be inorganic. They are generally found in abiotic factors. Salt, baking soda, water etc. are some examples of inorganic compounds.

Ionic molecule - compounds that have charged atoms and can attract oppositely charged molecules are called ionic. Table salt, potassium chloride etc. are some examples.

Thus, option A. organic is the type in which the carbohydrates fits.

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The resting potential is the permanent state of the neuron; the charge of the neuron does not change.

Answers

Both of the statements that is given is false because when the neuron is in resting potential, it is not in a permanent state and the resting potential is negative. The charge of the neuron will be depending on each activities or the charges it accumulates, that is why it is not true that it does not change. 

The scientific process is ________ involving both inductive and deductive reasoning

Answers

The scientific process is circular involving both inductive and deductive reasoning.
Inductive reasoning and deductive reasoning are opposite to each other. The difference between them is that deductive reasoning starts from generalization and then moved to a true and specific conclusion or result while inductive reasoning starts from specific instance and then moved to general conclusion.

The scientific process is circular involving both inductive and deductive reasoning.

Further details

Scientific Process

The logical strategy is a progression of steps pursued by logical examiners to address explicit inquiries regarding the regular world. It includes mentioning objective facts, defining a speculation, and directing logical examinations. Trial results.

Steps of scientific Process

Mention an objective fact.  Pose an inquiry.  Structure a speculation, or testable clarification.  Make an expectation dependent on the speculation.  Prediction is tested.  Repeat: utilize the outcomes to make new speculations or expectations.

Deductive reasoning

It is the way toward thinking from at least one explanations (premises) to arrive at a consistently certain resolution. Deductive thinking goes a similar way as that of the conditionals, and connections premises with ends. On the off chance that all premises are valid, the terms are clear, and the guidelines of deductive rationale are pursued, at that point the end came to is essentially valid.

Inductive reasoning

Inductive thinking is an intelligent procedure wherein different premises, all accepted genuine or discovered genuine more often than not, are joined to get a particular end. Inductive thinking is regularly utilized in applications that include expectation, or conduct.

Answer details

Subject: Biology

Level: High school

Key words

Scientific Process Steps of scientific Process Deductive reasoning Inductive reasoning

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The brain often attempts self-repair by reorganizing existing tissue, but it sometimes also attempts to mend itself by producing new brain cells. the latter process is known as

Answers

Neurogenesis is the process that happens in the brain when it attempts to mend itself by producing new brain cells. The word neurogenesis is made up of the words “neuro” which means “relating to nerves” and the word “genesis”, which is in reference to the formation of something.

Which dimension of health involves placing the needs of others above your own?
a. environmental health
b. psychological health
c. spiritual health
d. social health?

Answers

The answer to this question is  C. Spiritual health
The spiritual health dimension focused on doing all your actions based on the 'greater goods'. Completing this dimension will improve your wellness because it often gives your life a purpose/motivation that will give you more sense of fulfillment when you manage to finish your goals 

Answer: c

Explanation: it is c

Drag the terms on the left to complete the sentences on the right. helpreset more concentrated passive transport less concentrated active transport when molecules move down their concentration gradient, they move from where they are to where they are . diffusion across a biological membrane is called .

Answers

When molecules move down their concentration gradient, they move from where they are more concentrated to where they are less concentrated.

Diffusion across a biological membrane is called passive transport.

When molecules move down their concentration gradient, they naturally flow from regions of higher concentration to areas of lower concentration. This process, known as diffusion, occurs spontaneously and does not require the input of energy. The movement of molecules across a biological membrane through diffusion is categorized as passive transport. In passive transport, molecules move freely through the membrane, driven by the concentration differences on either side.

This method is essential for various cellular processes, ensuring the equilibrium of molecules inside and outside the cell. In contrast, active transport involves the movement of molecules against their concentration gradient, requiring energy input to achieve this uphill transport. Both passive and active transport mechanisms contribute to the dynamic balance and proper functioning of cells.

Complete question:

Drag the terms on the left to complete the sentences on the right.

less concentrated

more concentrated

active transport

passive transport

When molecules move down their concentration gradient, they move from where they are .......... to where they are ............

Diffusion across a biological membrane is called..............

Which characteristic is common to both unicellular and multicellular algae?

Answers

The presence of chlorophyll for carrying out photosynthesis 
What is common in both unicellular and multicellular algae presence of chlorophyll for carrying out the process of photosynthesis. 

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Where are proteins produced other than on ribosomes free in the cytosol or ribosomes attached to the er?

Answers

Final answer:

Beyond the ribosomes in cytosol and attached to the ER, proteins can also be produced in the mitochondria and chloroplasts of eukaryotic cells, which contain their own DNA and ribosomes that allow protein synthesis.

Explanation:

Proteins can be produced in a few places in a cell, but one primary location is the ribosomes, both free in the cytosol and attached to the endoplasmic reticulum (ER). However, proteins can also be produced outside of the ribosomes, and this occurs in the mitochondria and chloroplasts in eukaryotic cells. These organelles contain their own DNA and ribosomes, which allows them to synthesize their own proteins. So, in addition to the cytosolic and ER-bound ribosomes, the mitochondria and the chloroplasts are also important sites for protein production in cells.

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The evolutionary relationship among organisms is known as question 23 options: 1) taxonomy. 2) phylogeny. 3) paraphyly. 4) synapomorphy. 5) homoplasy

Answers

The answer is option 1) taxonomy.

What sections of the embedded protein chain are most likely to contain amino acids with hydrophobic r-groups? explain your reasoning?

Answers

Final answer:

Hydrophobic R groups are most likely to be found in the center of the protein structure because during protein folding, the hydrophobic R groups of nonpolar amino acids are positioned in the interior of the protein, hidden from the water-based outer environment.

Explanation:

The sections of the embedded protein chain that are most likely to contain amino acids with hydrophobic r-groups are typically those that are embedded in the center of the protein structure. This is due to the hydrophobic (water-repelling) nature of these r-groups. Proteins often fold in such a way that hydrophobic parts are tucked away from the aqueous environment, into the protein interior.

During protein folding, hydrophobic R groups of nonpolar amino acids tend to be positioned in the interior of the protein, hidden from the water-based outer environment, whereas R groups of polar amino acids, which are hydrophilic (water-attracting), tend to be on the outside of the protein. This process is guided by hydrophobic interactions.

For instance, in alpha-helix and ß-pleated sheet secondary structures of proteins, R-groups protrude out from the protein chain. The exact positioning of these r-groups, either buried in the interior or exposed to the surface, depends on their hydrophobic or hydrophilic nature.

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What is the primary way that volcanism can trigger mass extinction?

Answers

Volcanism can trigger mass extinction because, Volcanic debris changes the climate.

Vertical structural members that exterior wall sheathing and siding may be attached to are called:

Answers

Vertical structural members in construction that support exterior wall sheathing and siding are known as studs. They are integral to the building's framework, working alongside horizontal members to ensure structural stability.

Studs are essential elements in building construction, providing structural support to the walls, akin to how horizontal beams, like vigas and latillas, support the roof. In traditional post-and-lintel construction, the vertical posts provide a similar function, bearing the weight from the horizontal lintel above doorways and other openings. In the context of a house, other vertical structures include window frames and door lintels. The role of these vertical members is critical as they work in conjunction with horizontal structures to provide stability and support to the entire building.

Which statement is true about a scientific idea?

It is biased in its results.
It can be replicated and verified.
It can be tested without a control group.
It ignores parts of the method within an investigation.

Answers

#2 replicates and verified, it should never be biased because then the data isn’t accurate, can’t be tested without a control because again isn’t accurate, and lastly if it ignores parts of the method it is not accurate hope this helped :)
B would be my answer!

I hope this helps :)

A 29-year-old mother of three is suffering from chronic stress. the causes of her stress are her young children, the need for and lack of money, and the potential loss of her job. assessment reveals that she is experiencing eustress. this will likely cause her to:

Answers

Granted that the mother can feed off of the stress as she seemingly has been, it is likely that these external factors will likely increase her willingness to work harder in order to ensure that she and her children survive. These obstacles may allow her to push past the mental barriers.

What is the largest group of reptiles that ever lived?

Answers

Birds, lizards, snakes and turtle's

Classifying things by observation can best be done using a

Answers

Taxon. 
Taxon divided organisms into different groups based on their likeness which is the best way to classify things.

Answer:

classification system

Explanation:

All the living things are different, but if you want to classify them, you need to have some characteristics in common, for example, if they have shell or skin, if they reproduce sexual o by asexual means. If they are plants, the shape of the leaves is a criteria, also if they have flowers or not, etc.


A regular octagon has a perimeter of 104 m and a radius of 16.99 m. Find the area of the octagon. Round the answer to the nearest square meter.

Answers

B. 816m^2 is the right answer. 

Special smooth muscles in the dermis that, when contracted, produce “goose bumps” are called __________.

Answers

arrector pili is the correct answer

Where does macromolecule digestion occur?

Answers

Macromolecule digestion occurs in the lysosomes.

If many cells commit apoptosis in any one organ, what may happen to that particular organ?

Answers

Cell death occurs.The way this makes Apoptosis an definition of this that cells has an turnover, an state where there are other cells that must have the information to induce the function of the organ.

Which macromolecule (or polymer) is properly matched with its subunit (or monomer)?

Answers

A polymer is a compound that consists of a single repeat unit, known as its monomer. In order to identify the monomer of a polymer, we simply look at the part of the polymer that is repeating to form the polymer chain. After this part is identified, we write it separately and "close" its bonds by connecting the terminal atoms with atoms within the chain.

Final answer:

Macromolecules such as proteins, nucleic acids, and complex carbohydrates are polymers made from monomers; proteins from amino acids, nucleic acids from nucleotides, and carbohydrates from monosaccharides. Lipids can be built from fatty acids and glycerol. The joining of monomers to form polymers involves dehydration synthesis, where water is released.

Explanation:

Macromolecules are essential components of living organisms, and each class of macromolecule is made from specific types of monomers. Proteins are constructed from amino acids, nucleic acids from nucleotides, and complex carbohydrates such as starches and cellulose from simple sugars like glucose. Lipids, although not always formed by monomers and polymers in the same way as the other macromolecules, can be built from fatty acids and glycerol. The process of forming macromolecules from monomers involves dehydration synthesis reactions, where water is released as monomers are linked together to form polymers.

Each macromolecule category has its own type of monomers. For example, proteins are polymers made from amino acid monomers. Each nucleic acid strand consists of monomers called nucleotides. Carbohydrates are comprised of monosaccharide monomers. For a macromolecule to be properly matched with its monomer, it must be correctly paired with the subunit that forms that specific type of polymer.

As the nurse inspects the perineum of a client who is in active labor, the client suddenly turns pale and states that she feels as if she is going to faint even through she is lying flat on her back. what is the nurse's priority intervention?

Answers

The nurse priority in this intervention is to asses the patient's condition of having to feel as if she is going to faint and the sudden change of color, because this is important for the nurse to note on before the client undergoes labor because this could be dangerous or could lead to complications when not assessed before she gives birth.

Why must there be an attractive force to explain the existence of stable nuclei?

Answers

There is a need of attractive force in explaining the existence of a stable nuclei because there will be a presence of repel in protons to each other, with that, there is a need to provide another force in which will help and prevent them from having to fly apart.

Testosterone is an example of a chemical signal that affects the cells that synthesize it, the neighboring cells in the testis, along with distant cells outside of the testis. thus testrosterone is an example of ___________.

Answers

  autocrine ,paracine, and a endocrine signals


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