Generally it can either be ones feelings about oneself or ones past experiences, usually the two link in some way
Answer:
A
Explanation:
BECAUSE BIO MEANS LIFE SO LIVING THINGS ABIOTIC MEANS NON LIVING THINGS
Answer:
they've found that exercise improves blood flow to the brain, feeding the growth of new blood vessels and even new brain cells, courtesy of the protein BDNF, short for brain-derived neurotrophic factor. BDNF triggers the growth of new neurons and helps repair and protect brain cells from degeneration.
Explanation:
You begin with 270 bones at birth which drops down to 206 during adult-hood.
