Acondition that reduces the number of oxygen-carrying red blood cells is:

Anemia is a condition that reduces the number of oxygen-carrying red blood cells (rbcs). There are various types of anemia, ranging from lack of production of rbcs (hypoplastic), lack of sufficient iron in the oxygen-carrying proteins (hemoglobin) of rbcs (iron-deficiency), lack of cofactors needed to produce healthy rbcs (pernicious), and destruction of rbcs (hemolytic), to name a few of the more common forms of anemia.

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.