The answer is A, biogeochemical cycles.
So basically Positive reinforcement is when you give someone something for showing a good behavior, and a negative reinforcement is giving someone a consequence for showing bad behavior.
Hope this helps:)
Answer:
Matter is the Stuff Around You
Matter is everything around you. Atoms and compounds are all made of very small parts of matter. ... Matter is defined as anything that has mass and takes up space (it has volume).
Explanation:
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False , tongue has more than 9000 taste buds .
