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Organic compounds contain carbon atoms bonded to other atoms.

Explanation:

The organic compounds have as a fundamental element carbon, an element which is tetravalent because it has four covalent bonds. Carbon can form chains of variable length, thanks to that. You can also find hydrogen in those chains that's why we can say that the organic compounds are formed by hydrocarbon chains (carbon and hydrogen)

i think b?

Explanation:

the areas around the equator

you know they are heterozygous for a trait because they have it as jj or jj.