Because the earth wouldn't be able to exist without the help of the sun, the sun is essential for earth.
Saliva is composed of a variety of electrolytes, including sodium, potassium, calcium, magnesium, bicarbonate, and phosphates. Also found in saliva are immunoglobulins, proteins, enzymes, mucins, and nitrogenous products, such as urea and ammonia.
Adenine.
Thymine always pairs with Adenine while Cytosine always pairs with Guanine on DNA strands.
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