If you are conducting a study on the health of people who have been exposed vs not exposed, the method you should use to obtain data would be an observational study because it involves the pre-existing condition of the subjects.
<span>The answer is an angulated
fracture. This kind of fracture designates an exact type of fracture
displacement where the usual axis of the bone has been transformed
such that the distal portion of the bone is positioned off in a diverse way. It
is best described using words like palmar or dorsal, valgus or varus, and ulnar
or radial.</span>
Answer: It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance brainliest?
Explanation: