Brainliest and 12points need penn foster 1.which structure of the excretory system in humans is responsible for converting ammonia into urea? a. skin b. kidneys c. lungs d. liver 2.breathing in humans is driven by all of the following except a. the diaphragm. b. air pressure. c. the muscles attached to the ribs. d. the muscles connected to the lungs. need the correct answers.

1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43