Megan wanted to make some calcium chloride (cacl2) for an experiment. she knew that for every 40g of calcium there would be 71 g of chlorine. megan only used 20 g of calcium. calculate how much chlorine would be in the compound.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Which animal is a producer in this ecosystem

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.