Choice B.
In DNA, adenine pairs with thymine and guanine pairs with cytosine.
Answer:
A. Fast growing crops, heavy rains
Explanation:
Fast growing crops will increase soil nitrates, while heavy rains will decrease soil nitrates.
Answer:
Immunodeficiency disorders prevent your body from fighting infections and diseases. This type of disorder makes it easier for you to catch viruses and bacterial infections. Immunodeficiency disorders are either congenital or acquired. A congenital, or primary, disorder is one you were born with. whereas Opportunistic infections (OIs) are infections that occur more frequently and are more severe in people with weakened immune systems, including people with HIV. Many OIs are considered AIDS-defining conditions.
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Explanation:
