12 3 4 5 6 7 8 9 10 sheri studies to get good grades because this is what her parents expect of her. she wants to make them proud. this is an a. intrinsic motivational statement c. both of these b. extrinsic motivational statement d. none of these

b. Extrinsic motivational statement

Explanation:

This is an example of a extrinsic motivational statement. In this example, Sheri's motivation for getting good grades is her parents. She wants to make her parents proud, and she believes that this is what her parents expect of her. None of the motivations are internal. Therefore, Sheri's motivation is an extrinsic one.

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.