Which of the following is not an example of an externality?

a. acidic by-products of fossil fuel combustion that produce acid rain.
b. carbon dioxide from energy generation that adds to the worldwide, long-term greenhouse effect.
c. a defective part that causes an automobile to break down three months after purchase.
d. heat from a factory that makes the neighboring tomato patches more productive.

option A

Explanation:

because acid comes from preparation of fossil fuel

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?