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: Ron was playing with a flashlight. He moved it back and forth slowly, and then quickly. Which motion likely caused more light to bend? 
 Answer: the quick motion

Answer: In refraction of light, the greater the change in speed, the more light bends.


Question: Question: Olive and Jean were collecting rocks during a hike, they collected too many rocks so the two girls decided to leave some rocks behind to come back to later. Olive decided to bury her rocks in the dirt, and Jean decided to leave hers in a ditch in the sun. When they returned a week later, which girl's rocks changed the most? 
 Answer: Olive

Answer: With more surfaces of the rocks exposed, there are more places for chemical weathering to occur.


Question: Question: When there are less people to drive cars the rate of global warming 
 Answer: decreases

Answer:
For example, more people on the Earth means more people contributing to global warming and pollution.