DNA molecules

A. are single stranded.
B. are only found in humans.
C. are protein.
D. are unique to every individual.


Answer: D

Environmental & Atmospheric Sciences

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In comparison to liquid water, the density of the ice in hail is:

A) 50% of water. B) 70% of water. C) 90% of water. D) no difference

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Despite widespread use of insecticides and herbicides, infestations of insects, plant pathogens, and weeds currently, depending on the type of crop, cause a loss of about

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Why is it important for earth scientists to be able to identify the composition and distribution of rocks?

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