Answer: Shivering
Explanation:
Homeostasis is the body ability to maintain the internal conditions stable and constant with respect to the changes occurring in the external environment. Shivering is a response shown by the body with respect to external cold environment. It is a tendency of the body to maintain it's internal temperature constant. It is the way by which the body produces heat to survive in cold weather conditions.
It has to be a, b or d then.
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A. the mitochondria and chloroplasts are much different in structure than bacteria
Fruits contain acids that make them sweet!