Rank solar energy, hydro energy, wind energy, and geothermal energy as alternative energy sources according to their (1) cost to produce, (2) reliability, and (3) potential as a significant source of energy.

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls