In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: You can find tables that show the pH value of different fruits and vegetables. The fruits such as oranges are very acidic so they have a pH value that is 
 Answer: lower
Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.

Question: If the air temperature rises during a heat wave, what is likely happening to the atmospheric pressure? 
 Answer: It will decrease
Increasing air temperature decreases atmospheric pressure.

Question: Mona lives in a city that doesn't know much about solar power. As the citizens become more aware of solar and the benefits it offers the demand for solar power rises. What happens to the cost of the technology as the demand increases? 
 Answer: decrease

Solar power is expensive, but as demand increases technology improves and costs decrease.