What could be an explanation for the
moon's changing shape?

A__ is two or more substances that are together in the same place but are not chemically combined

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

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