Scientists were able to determine the age of the earth from rock samples that were analyzed.

what technique was used to do this?

a. radiometric dating

b. fossil records

c. extinction

d. geologic time scale

answer; i believe the correct answer is (data); /// good luck

the sphincter muscles at the end of the digestive tract is the anus.

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )