Think about all the different potential environmental impacts during each stage of the fracking process. Categorize them by risk to land, water, or air

Dk i just need points is that ok?

Explanation:

answer; /// i believe that the correct answer is (d)the huang he river valley;

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.