Which of the following is most likely caused by chemical weathering? A. cirques carved out by a melting glacier
B. U-shaped valleys formed in a mountain region
C. rocks and sediment transported and deposited
D. unrecognizable facial features on a marble statue

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.