Answer:
Explicit textual evidence is stated directly in the text. So A does not fit here, that refers to implicit evidence. B is also not correct. I would pick C here but I am not 100% sure.
Answer:
A. They also help the environment by refreshing the air and by reducing smog and effects to the ozone layer.
Explanation:
The author makes a claim that environment is refreshing by the air and the effects on ozone layer are reduced. This statement is not supported by the evidence. The ozone layer is polluted by the environment pollution. The pollution created by humans is also affecting the air which ultimately pollutes the ozone layer.
read it then go back look through the story and find your answer good luck