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: If the Earth's orbit moves farther away from the Sun, what happens to the gravitational force between the two planets? 
 Answer: it decreases
This is because the gravitational force of attraction between the Earth and Sun is stronger when the Earth is closer to the Sun.

Question: The larger a resistor equals _____ resistance. 
 Answer: less
Thicker resistors offer less resistance than thinner resistors.

Question: Eric has a hydrocarbon with 20 carbon atoms. Rita has a hydrocarbon with 35 carbon atoms. Whose hydrocarbon has more isomers? 
 Answer: Rita

The more carbon atoms a hydrocarbon has, the greater the number of isomers.