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.
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Question: Question: Slowing plate tectonics indicates convection is 
 Answer: decreasing

Answer: Convection on early Earth was faster and so plate tectonics was faster.


Question: Question: Carol is building a small rocket to test in her back yard and, after much consideration, decides to use a biofuel to power her rocket. She tells her friends it's because it will create _____ carbon dioxide than fossil fuels. 
 Answer: less

Answer: The advantage to biofuels is that they burn more cleanly than fossil fuels. As a result, they create less pollution and less carbon dioxide.


Question: Question: When you get closer to a star the gravity gets 
 Answer: Stronger

Answer:
This is because the gravitational force of attraction between the Earth and Sun is stronger when the Earth is closer to the Sun.