Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. a bottle contains 475 ml of insulin at a concentration of 30.o mg/ml what is the total mass in the bottle?

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

not clear