In what period of life do humans change the fastest and learn the most quixlet

The answer is; first 5 years  of childhood

This period is marked by remarkable growth in the brain of the child than at any other time in life. It is during this stage that the brain of the child absorbs a lot from its environment through making connections with things in its environment through sensual, social and emotional connections. This is how they learn and their basic foundation is laid at this point in life.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.