How many more valence electrons does carbon need to be a full outer valence shell?

What does the process of natural selection involve

What happens to the atomic radius when an elctron is lost

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