Hadean is the first eon of precambrian, and took place around 4.6 and 4.0 billion years ago.
Answer:
Zoologist
Explanation:
A person who specializes in the study of animals is called a zoologist. Zoologists who study certain kinds of animals have their own names.A botanist is a scientist who studies or experiments with plants. These plants may include a range of organisms, including flowers, trees and algae. Botanists are a type of biologist. Botanists study all forms of plant life.
Answer:
Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
Explanation:
Answer:
The correct answer is D: They provide the water needed.
Let me know if this helps!
It helps in protecting against sedimenting particles
