Answer:
Boats must be cleaned after getting out of the water to ensure there arent any on the sides of the boat before entering another body of water.
Explanation:
Darwin noticed that there were different kinds of the same species. For example, he studied four different kinds of finches. Each one had a different beak and are different kinds of food. This was the first time genetic diversity had been so obvious to humans.
Answer:
it is a category of star. our sun is a white dwarf
Explanation:
Answer:by rotation that is powered by the motive force
Explanation: