The answer is B proteins.
Answer:
Angiosperm
im not sure what this means lol but i remember reading it somewhere
The answer is the first one because it doesn't create gases and, the third one doesn't even make any sense so its definitely not that one
B) Oxygen may not have been able to accumulate in the atmosphere
Deoxyribonucleic acid (DNA) is the hereditary material that lies within the nucleus of all cells in humans and other living organisms. Most of the DNA is placed within the nucleus and is called nuclear DNA.
A chromosome is made up of two chromatids which are joined by the centromere. The chromatids separate from each other during mitosis to form two new chromosomes. The DNA making up a chromosome is dispersed as chromatin.
Under a microscope, chromatids look like little dots and chromosomes are lines.
