How do producers get their food when they're not being exposed to sunlight? A. Breaking down algae
B. Breaking down carbon
C. Breaking down inorganic compounds.

I'm pretty sure it's B but I need some other opinions.

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

Select the correct answer from each drop-down menu proteins are

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.