I have done this before but i can't remember what I need to do
Answer:
copy and paste
Explanation:
https://www.khanacademy.org/math/algebra2/x2ec2f6f830c9fb89:eq/x2ec2f6f830c9fb89:extraneous-sol/v/finding-radical-equation-with-given-extraneous-solution
In geology, <u>index fossils</u> are very important in allowing scientists to study the climate, environment, and diets of those fossils, and fossils from similar time periods.
Answer: They both give clues about life in the past.