how do soils form? please answer this fast.

Parkinson's disease is a nervous system disorder characterized by symptoms like tremors, stiffness, and slow movement. Diagnosis is typically based on medical history and neurological exams, with imaging tests used to exclude other conditions.

Parkinson's disease is a disorder associated with the nervous system. It affects movement and is characterized by symptoms such as tremors, stiffness, and difficulty with balance and coordination.

Symptoms :

Lab tests :

1. The telescope which is an instrument that collect electromagnetic radiation like visible light, radio waves, etc.

2. The spectrometer which is an instrument that uses the color (wavelengths) to categorize to measure the spectrum of celestial objects.

3.  The detector is an instrument that can be set up to recognize a specific color (wavelength) of the spectrum and record the observations.

Final answer:

The three basic components of a modern astronomical instrument are the telescope, which collects light; the wavelength-sorting device, which sorts radiation by wavelength; and the detector, which records the observations.

Explanation:

Components of Modern Astronomical Instruments

The modern astronomical instrument comprises three basic components essential for measuring radiation from astronomical sources. These components are integral to the functioning of telescopes and other observational devices in astronomy.

Telescope: Acts as a 'bucket' to collect visible light or radiation at other wavelengths. It is akin to catching rain in a garbage can versus a coffee cup, where large telescopes gather significantly more light than the human eye can.

Wavelength-Sorting Device: Attached to the telescope, this instrument sorts the incoming radiation by wavelength. It can range from separating basic colors like blue and red light, which helps determine the temperature of a star, to identifying individual spectral lines to ascertain the composition of an astronomical object or its speed.

Detector: A device that senses the radiation in the chosen wavelength regions and records the observations permanently. This component is crucial for translating the collected radiation into data that astronomers can analyze.

Understanding these components helps reveal the complexities of celestial objects, enhancing our knowledge of the universe.

Water is an inorganic molecule.

Further Explanation:

The organic compounds are the substance that consists of hydrogen and carbon atom. The organic compounds held together through covalent bond. On the other hand, the inorganic compounds are the substance which does not consist hydrogen and carbon atom altogether but exception are there. They held together by hydrogen bonds. These bonds are stronger than dipole interaction and Vander wall forces but on they are week from covalent bonding or ionic bonding.

The major examples of inorganic compounds are salts, metal, hydrochloric acid and water. The exception in the inorganic compound is carbon dioxide which contains carbon but still they are inorganic. The chemical formula of water is [tex]{{\text{H}}_{\text{2}}}{\text{O}}[/tex] , it does not consist any carbon that’s why it is referred as inorganic compound. Water contributes in the normal body weight of an individual. The water plays a significant role in the human body that’s why it is crucial to drink enough water on daily basis.

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Answer Details:

Grade: High School  

Subject: Biology

Topic: Inorganic compound

Keywords

Water, inorganic compound, organic compound, drink, human body, metal, salt, hydrochloric acid, hydrogen, carbon atom, Vander-wall forces, covalent bond.

The large, three-headed muscle that is the main extensor of the forearm at the elbow joint is the triceps brachii, which consists of a long, lateral, and medial head, and is responsible for actions like pushing and throwing.

The large, three-headed muscle that acts as the main extensor of the forearm at the elbow joint is called the triceps brachii. This muscle, commonly known as the triceps, has three distinct parts: the long head, the lateral head, and the medial head. Each part plays a crucial role in extending the forearm. For instance, when you push a door open or throw a ball, it's your triceps brachii that is primarily at work.

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Answer:

estuaries

Coral reefs

Explanation:

Answer:

The correct answer is C. Farmers sought new technology to help with the workload.

Explanation:

During the second world war, there was a shortage of food because most of the farmers and their sons were forced to go in the war and because the more investment were on military weapons not on farming equipment.  

So after and during the second world war, the government started many research programs in the agriculture department which results in the discovery of new technologies in the agriculture industry.  

By, 1940 U.S governments started spending almost 40 % of total money in research and development to improve technology-based farming.

So, the correct answer is C. Farmers sought new technology to help with the workload.

The vestibulo-ocular reflex (VOR) is at work when you hear a sudden noise behind you and reflexively turn your head. It is a reflex that coordinates head movements with eye movements to keep the visual field stable.

When you hear a sudden noise behind you and reflexively turn your head, the vestibulo-ocular reflex (VOR) is at work.

The VOR is a reflex that coordinates head movements with eye movements to keep the visual field stable. It involves a circuit that connects the vestibular sense (which detects head movement and orientation) with the eye movement nuclei through the medial longitudinal fasciculus (MLF).

This reflex is important for maintaining visual stability during movements, such as when you turn your head to look at something or when you are walking and looking around.

Answer:

_____ phase is the period during the life of a cell between the end of mitosis and the synthesis of more genetic material. G0 phase G1 phase G2 phase S phase

G 1 phase

None of the progeny from the cross bbtt x bbtt will have black fur since both parents are homozygous recessive for brown fur; however, all will have long tails, also being homozygous recessive for this trait.

The question asks about the fraction of progeny with black fur and long tails from a cross of two mice with genotypes bbtt. Since black fur (b) is dominant to brown fur and short tails (t) are dominant to long tails, and both parents are homozygous recessive for both traits (bbtt).

Thus, all progeny will also be homozygous recessive displaying the phenotype for brown fur and long tails. Therefore, none of the progeny will have black fur since both parents contribute the recessive b allele for brown fur; all progeny will have long tails as they will be homozygous for the recessive t allele.

Im pretty sure it is leaching.

Individuals with blood type AB have no preformed anti-A or anti-B antibodies in their blood. They possess both A and B antigens on their erythrocytes, which means their immune system does not create antibodies against these antigens. As such, they are considered universal recipients for plasma transfusions.

Individuals with blood type AB have a unique composition in their blood; they possess both A and B antigens on their erythrocytes. Due to the presence of these antigens, individuals with blood type AB do not have the preformed antibodies anti-A or anti-B, which are typically found in the plasma of people with other blood types. This is because the immune system does not generate antibodies against antigens that the body naturally carries.

For people with blood type A, they have the A antigen and naturally produce anti-B antibodies. Similarly, those with blood type B have the B antigen and produce anti-A antibodies. However, individuals with blood type AB do not require such antibodies since their erythrocytes exhibit both antigens, negating any need for their immune system to defend against them.

Therefore, individuals with blood type AB do not have blood antibodies for A or B antigens circulating in their plasma. They are also known to be universal recipients for plasma because they lack the antibodies that typically cause transfusion reactions.

The correct answer is option A.

A particular advantage that humans have over other species is that they have access to technology. They can use machines, computes, and other technical instruments that makes them different from other species. They can use these technical instruments to make their life more easy.

Other species cannot  use technology to make their life easy.

- The offspring’s genes are unique as they are formed from crossing over.

- Reproduction allows for fast removal odd bad mutations, which can conjoin two beneficial mutations. 

- Reproduction allows for multiple numbers of offspring. The offspring can evolve at a fast rate.

- The offspring has better adaptation to host parasite arms race. 

- Offspring can be dispersed widely in different places from their parents.

- It is favorable when the environment is not favorable or stable for the specie. This is a slower rate of reproduction, but has faster evolution.

- Reproduction permits variation, which is evolution’s fundamental element. It creates species, which can adapt to harsh environmental changes, and cannot be wiped out by a single disease. Although, this reproduction process requires significant amount of energy in part of organisms finding a mate. This reproduction process is not suited to organisms stuck in one place or isolated.

Disadvantages:

- Reproduction needs two parents. The parents must spend energy in order to find; court or identify, and copulate with their mate.

- Reproduction also requires more time to produce offspring. Animals may take months before they can produce offspring. 

- If conditions are stable, the genetic recombination may be counter-reproductive. 

- Reproduction is less efficient at passing in genes. The favorable genes combination may be broken.

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Answer: 50

Explanation:

Polymer is a macro molecule formed by combination of small units called as monomers by joining as such or by liberation of small molecules.

Proteins are biological polymers formed by combination of small units called as amino acids which contain elements such as H,N,O,C etc and are bonded to each other through a peptide bond.

Proteins are polymers made up of amino acids ranging from 50 to 5000.

Answer:

The Answer is D

Explanation:

The Aleutian Trench is formed due to a subduction zone where the Pacific Plate is forced under the North American Plate. This process leads to the formation of the trench and the subsequent creation of volcanic islands.

The Aleutian Trench is located in an area where the Pacific Plate and the North American Plate converge. The correct conclusion to be drawn from this is option D: The trench is formed by a subduction zone which has also created volcanic islands.

In tectonic plate theory, a subduction zone is an area where an oceanic plate converges, or comes into contact, with a continental plate. The denser oceanic plate gets forced underneath the lighter continental plate in a process called subduction. This leads to the formation of a trench in the ocean floor. Furthermore, as the subducting plate moves deeper into the mantle, it melts and forms magma. The upward movement of magma can lead to the formation of volcanic island arcs, such as the Aleutian Islands.

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