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: An increase in food will likely lead to _____ lifespans. 
 Answer: longer
New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.

Question: Mars has _____ effect on the tides than the Moon. 
 Answer: less
The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.

Question: Will sees a wave with a frequency of 60hz and a wave with a frequency of 10hz. Which wave has more energy? 
 Answer: the 60hz wave

A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.