How are fossils used to determine the relative ages of rocks?

A. Fossils can only be found in rocks that formed before the organism died, so rocks with newer fossils in them are older than rocks with older fossils.

B. Fossils can only be found in rocks that formed after the organism died, so rocks with newer fossils in them are younger than rocks with older fossils.

C. Rocks cannot be dated according to their fossils, but the age of fossils can be determined from the age of the rock they are in.

D. Rocks and fossils do not reveal any information about each other’s age.

b

Explanation:

mainly because if u were to les say time travel and u go back in time to the jurassic period grabbed a fossil and put it somewhere u would remember an analyzed  it with a newer on the data would show that the fossil is older than the newer one

answer: populations of walruses and polar bears will decline

explanation:

you put it

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.