Approximately how far will a p-wave travel in 4 minutes?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

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

Why is the bottom layer of a trophic pyrimid the