Answer:
sedimentary rocks
Explanation:
can be dated using radioactive carbon, but because carbon decays relatively quickly, this only works for rocks younger than about 50 thousand years. So in order to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil.
Answer:
if i lived in the 1800s I think would have more free time because i wouldn't be on electronics all the time. I might not have an education because times were hard then and many kids had to work in factories like their parents to support the family. I could get sicker easier because there weren't many health codes back then and lining conditions weren't teh best
Gene pool
Sum of a population's genetic material at a given time.
The term typically is used in reference to a population made up of individuals of the same species and includes all genes and combinations of genes (sum of the alleles) in the population.
Reproductive isolation must happen
