"Area 2: a layer of haze forms near the ground and affects human health" is the one area among the following choices given in the question that is affected by smog. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helped you.
Plants generate nitrogen in their roots
Answer:
it shows that a lot of our higher points like mountains used to be under water. it shows how the earth has change over billions of years
Explanation: