Oceans, the atmosphere, and fossil fuels are large reservoirs of

A) water. B) phosphorus. C) oxygen. D) carbon. E) nitrogen.


D

Biology & Microbiology

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What is the key concept addressed by the question?

What will be an ideal response?

Biology & Microbiology

What is the function of the oval window?

a. serves as the opening to maintain equilibrium of fluid pressures b. provides support for muscles that move the middle ear bones c. transitions sound from middle to inner ear d. acts as the ear drum

Biology & Microbiology

__________ are multiple copies of a short DNA sequence that occur at a given locus. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Which of the following exhibits bilateral symmetry?

A) a butterfly B) a sponge C) a sea anemone

Biology & Microbiology