Which statements best describe prehistoric hunter-gatherers? Select the three correct answers. A.
They discovered how to use fire.

B.
They formed groups for protection.

C.
They made stone tools and weapons.

D.
They farmed and raised livestock.

E.
They settled in walled villages.

B. They formed groups for protection.

C. They made stone tools and weapons.

D. They farmed and raised livestock.

Explanation:

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radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.