If a somatic human cell is about to divide, then it has 92 chromatids. this is because there are 23 pairs of homologues chromosomes in a cell, one is given by both parents. when a cell divides my mitosis, the pairs separate into 46 chromatids, each one that is replicated which gives you 92 chromatids.
Layers of fossils in pillars, the rock covering them is dated and we get an exact time of each layer.
It is the first option. Atmospheric nitrogen is very stable so there fore hard to react with. But bacteria contain molecules that can break the bond of nitrogen.
Yes, it is believed that one of the first Greek ancient astronomers, and the first notable Greek philosopher, was Thales, who lived at the beginning of the 6th Century BCE.
The answer would be genocide
