Answer:
Galaxies rotate around their centers with the sections of the galaxy that are farther out from the galaxy's center rotating more slowly than the material closer to the center. Galaxies are also moving away from each other due to the expansion of the Universe brought on by the Big Bang.
Explanation:
Exposure to more radiation. Human made and from the sun.
I think the answer would be B. Genealogy.
<span>Answer:
Using energy from sunlight, photosynthesizers manufacture food (carbohydrates) from air (carbon dioxide) and water, and dump the waste product (oxygen) back into the air. So they gain mass (energy) which is utilized in many ways (e.g., food storage, procreation, structural support, protection, and much more).</span>
Variation may occur depending on its surroundings.