TASK DEFINITION: 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.
PROBLEM: Question: When people move to an area what happens to the land? 
 Answer: cleared

SOLUTION: More people also means more clearing of land for agriculture and development.

PROBLEM: Question: Don sees wavelengths using a spectrometer. A wavelength that is very short likely has a _____ frequency compared to a longer one. 
 Answer: higher

SOLUTION: Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.

PROBLEM: Question: An increase in birth rates indicates a/an _____ in the food supply. 
 Answer: increase

SOLUTION:
Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.