Answer:
rockfall, mudflow, and landslide are three
Explanation:
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Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate.
Not always because there could be birth defects, mutations, or other variables.
Energy input would be what's giving the source energy. Energy output is what energy it's giving out.
Answer:
rubbing
Explanation:
cuz you are rubbing the white rubber part with your eldow bone
