Input: Answer this question:
Which of the following forms of energy is released or absorbed in most chemical reactions?
Answer: heat energy
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Rocks are classified as igneous, metamorphic, or sedimentary according to
Answer: how they formed
Input: Answer this question:
Which of these organisms is a producer in a marine ecosystem?
Answer: algae
Input: Answer this question:
In humans, the amount of sugar in blood is controlled by the release of a hormone called insulin. This process is an example of
Answer:
regulation