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2 years ago

1. Why does the moon appear to change throughout each month? *

Biology

1 answer:

andrey2020 [161]2 years ago

6 0

Answer:

Explanation:

As the Earth moves in relative to the moon the Earth blocks part of the sun from the moon causing only parts of the moon to light up. This BEST answers the question because B is not accurate because it doesn't describe why we actually SEE it. A might be true but it is not the BEST explained.

Hope this helps! (^-^)

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Apa template about multiple sclerosis

garik1379 [7]

Answer:

Multiple Sclerosis is an inflammatory disease in which myelin sheath of nerve cells of brain and spinal cord are damaged.

Explanation:

Cause:- (Exact cause of inflammation is not known)

But damage is caused due to attack by autoimmune cells or antibodies against myelin sheath.

Types of tissues attack:-

Oligodendrocytes and myelin sheath is damaged and stripped away from axon and the process is known as demyelination.
Myelin sheaths are made up of fatty tissues and help in transmission of electric impulse.

Result of immune system attack:-

Damaged myelin sheath stop forming whIte matter of central nervous system.
Hence disrupt coordinating communication between different brain regions.

Signs and symptoms:- vary from person to person

Diminished eyesight.
Disrupt motor coordination.
Weak sensory perception.
Fatigue and dizziness.
Speech disorder.
Muscle weakness and spasticity.
Difficulty in urination and stool.

Diagnosis and treatment:-

Diagnosis include MRI T2 findings and cerebrospinal fluid specific oligoclonal bands.

#SPJ2

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2 years ago

According to the opponent color theory, the perception of color is based on the output of _______ cones, each of them an opponen

antoniya [11.8K]

<h2>1. Three cones</h2><h2>2. Two colors</h2>

Explanation:

The opponent process theroy of color vision recommends that our capacity to perceive color is constrained by three receptor complexes with contradicting or opposing activities.

These three receptor complexes are as follows:

Dark white complex.

Blue-yellow complex.

Red-green complex.

You don't see greenish-red because according to the opponent process theory, the opponent cells can just identify each of these colors at a time.

7 0

3 years ago

Hich of these facts provides the best support for the hypothesis that plants evolved from green algae? which of these facts prov

nata0808 [166]

All points are correct

6 0

3 years ago

What does the cell membrane do for the cell?

krek1111 [17]

Answer:

Protection

Explanation:

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

3 0

3 years ago

Destruction of tropical rain forests: helps maintain global temperatures

aliya0001 [1]

Answer:

B. reduces the amount of water vapor

Explanation:

Tropical rainforests is an area of vegetation comprising of predominantly trees. Trees play a major part in sustaining the environment, and hence, the destruction of trees will result in certain negative effects or impacts on the environment.

One of the effects of destroying rainforests according to the options in the question, is the reduction in the amount of water vapor. Trees in rainforests contribute to the addition of water vapor to the atmosphere via transpiration (loss of water through their stomata). Hence, destruction of tropical rain forests will reduce the amount of water vapor.

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2 years ago