Explanation:
mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.
By late 1920s most alcohol was made at home. Alcohol was made at home is the illegal
'stills' because deaths from purposely poisoning alcohol went up from 98 in
1920 to 760 in 1926. The homemade
alcohol was known as moonshine.
Economics is considered king of social sciences
Homeostasis, because once the bird body temperature starts to overheat, it's body and mind work together to lower that body temperature down to normal