Answer:
Happy is a base emotion.
Explanation:
There are four kinds of basic emotions: happiness, sadness, fear, and anger, which are differentially associated with three core affects: reward (happiness), punishment (sadness), and stress (fear and anger).
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Every seventh time a rat presses a lever, it receives food pallets.
Carcinogen i think this is the answer
Answer:
Magnesium is an essential nutrient that helps facilitate more than 300 different biochemical reactions in the body, which include regulating blood sugar, supporting nerves and muscles, and helping the body absorb other nutrients such as calcium and potassium.
Explanation: