Which is a method that scientists use to determine the composition of earth's layers?

Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Under which of the following circumstances would natural selection not operate on an organism