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.

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


[Q]: Question: Shane sees two waterfalls; one made of hard stone, the other of soft rock. The waterfall with hard stone will have erosion that is, compared to the other, 
 Answer: lesser
[A]: The water erodes the softer rock faster than the harder rock.


[Q]: Question: The US is richer than Uganda, so it likely uses _____ fossil fuels compared to Uganda. 
 Answer: more
[A]:
Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.