The equation shows a chemical reaction using 64 grams of calcium, 162 grams of zinc carbonate, and 152 grams of calcium carbonate. calcium + zinc carbonate → calcium carbonate + zinc

According to the law of conservation of matter, how much zinc is present in the product?

List two modern organisms that have pentameral symmetry

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Select the correct answer from each drop-down menu proteins are