The main reason is that there is no atmosphere. This means that there is no weather and no weather means that there is no wind or rain. Wind and rain are main components of erosion and because there is no erosion, craters can stay preserved for a very long time.
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The answer is A.
Temperature changes when salt is in water, therefore the water will become more livable and suitable to those fish .
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Oswald Avery in 1944 discoveries DNA was responsible for storing and passing information throughout generations
<u>2</u>, <u>1</u>
Igg possesses <u>2</u> binding sites for antigen, and the t-cell receptor possesses <u>1</u> binding sites for antigen.
<h3>IgG: What Does It Mean?</h3>
- Known as immunoglobulin G, It is an antibody of some sort.
- Your immune system produces antibodies, which are proteins, to combat pathogens.
- Your cerebrospinal fluid's levels of IgG are measured using a CSF IgG index.
- Normally, your cerebrospinal fluid contains very little IgG.
<h3>What is the role played by IgG in the body?</h3>
- IgG is typically the most prevalent antibody in blood.
- It guards against infections.
- Therefore, infections are more likely to affect those with IgG deficiencies.
- Your body produces unique proteins known as immunoglobulins or antibodies when it senses an attack.
<h3>When IgG is positive, what happens?</h3>
- The presence of IgG indicates that the infection occurred several weeks to months ago.
- Additionally, it implies that you might no longer be contagious.
- IgG suggests that you might have some viral immunity, though you might not.
To learn more about IgG visit:
brainly.com/question/15280466
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