What answer can i choose from?
excess amounts of salts, water, and materials are expelled in the urine from the
a.
kidneys
b.
bladder
c.
urethra
d.
gallbladder

The answer is a.) kidneys

Yeah, the answer is definitely b.assuming that you're a high school student or middle school student, you probably don't need your parents' to pick out your clothes anymore. and i don't know how it works at other schools, but i know that at my high school, you don't get to pick the book you read for an english assignment. your teacher picks that. the decision of what after-school job i should get, i would definitely make with from my parents and other people that i trust. ultimately, the decision is up to me, but i would need advice from people who are more experienced.