If the environment gets cold, humans will often respond involuntarily by shivering in order to: a. keep body temperature the same as the external temperature
b. increase body temperature
C. decrease body temperature
d. regulate blood pressure

Increase body temperature

Explanation:

Increase body temperature

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increases body temperature

Explanation:

this is because when you shiver your blood vessels contract which then increases your body temperature  

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.