How has trend evolved from 6 million years ago to modern humans?

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called