Answer:
Researchers initially built up the geologic time scale by considering rock layers and record fossils around the world. With this data, researchers put in Earth's stone layers in request by relative age. Afterward, radioactive dating decided the supreme age of the divisions in the geologic time scale.
Answer:
C
Explanation:
Genes, choromosomes, and the nucleus (contains the DNA) are all apart of genetics.
it can’t survive the vacuum of space, zero temperatures and radiation and the DNA may be the missing link to long distance space travel
Answer:
True.
Explanation:
They can be divided independently in plants.
