The sun. But at the center of our galaxy (Milky Way) is a supermassive black hole called Sagittarius A- star
The answer would have to be A.
There can be many caused to the change of Earths temperature but one would be the use of fossil fuels. This is because when burned it releases Greenhouse gasses which are trapped in the atmosphere and causes heat. Which eventually leads to Global Warming. (Hopes this helps! )
Answer:
A.Layer C is younger than layer A.
Explanation:
Why might a post classical civilization want to conquer Egypt and the Nile River Valley? It's fertile land provided the foundation for the first human civilizations and its access to the Persian Gulf and location between Europe, Asia, and Africa made it a center of trade.