Answer:
Gradually cool a gas and record its change in state.
Explanation:
The experiment is directed towards the removal of thermal energy from a system, so "gradually cool a gas and record its change in state" is the best experiment to use.
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Photosynthesis is the process whereby oxygen is produced and is released into the atmosphere.
Answer: The term niche is used to describe the role an organism or population plays within its community or ecosystem. It encompasses all relationships that the organism (or population) has with its environment and with other organisms and populations in its environment.
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It is from the Edicaran Period