its obviously not child labor or economy based because those have nothing to do with the environment so its the other three.
Because there is genetic variation among the newly reproduced organism.
Answer:
for a celestial body to be a planet of the solar system, it must meet three conditions: it must be in orbit around the Sun, have been molded by its own gravity into a round or nearly round shape, and have “cleared the neighbourhood around its orbit,
Explanation:
