In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.
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Question: Sentence: The word metamorphism, which gives its name to a type of rock, means "to change form Question: What scientific word, which gives its name to a type of rock, means "to change form"?

Answer: metamorphism


Question: Sentence: Oxygen is made by trees and other plants during photosynthesis. Question: What is made by trees and other plants during photosynthesis?

Answer: oxygen


Question: Sentence: Diffusion is the process in which a substance naturally moves from an area of higher to lower concentration. Question: What is the process in which a substance naturally moves from an area of higher to lower concentration called?

Answer:
diffusion