Answer:
It’s where you get a girl and boy together then they have sex
Explanation:
Answer: C. there is more silicon than calcium at the surface of the earth
Explanation:
B. They are determined by I, AB, A, or B
The major histocompatibility complex (MHC<span>) is a set of cell surface proteins essential for the acquired immune system to recognize foreign molecules in vertebrates, which in turn determines histocompatibility. ... The human </span>MHC<span> is also called the </span>HLA<span> (human leukocyte antigen) complex (often just the </span>HLA<span>).</span>
your answer should be “interspecific competition”
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