It is B, it could also be D, but it is most likely B. Hope this helps.
process providing most of the oxygen found
in Earth's atmosphere is >>>>>photosynthesis
Answer:
No, the patterns are made by the light of the sun that reflects on the moon. The darker part of the moon is caused by the shadow of the earth.
Covalent bond? Carbon is usually the structure for a polymer Bc it can make up so many things including covalent bonds used to make polymers
Answer: D is wrong
Explanation: gametes are haploid. The haploid number in humans is 23. The diploid number is 46.