<span>A number of chemical and physical reactions take place, as the molecular structure of proteins and fats are altered by the heat. Different reactions kick in at different temperatures.</span>
Answer:
Explanation:
The perception of cold begins when nerves in the skin send impulses to the brain about skin temperature. These impulses respond not only to the temperature of the skin, but also to the rate of change in skin temperature. Nervous impulses sent to muscles generate extra metabolic heat through shivering.
Answer:
the bucket
Explanation:
you drop the bucket into the well
<span>demography is not one of the factors that play a role in population growth rate.</span>
