Answer:
The regions of the world that will be most affected by global warming would be:
1. desert areas in Africa, Asia, America.
2. the plain areas of Europe (Eastern European Plain) and the southern area of Europe.
3. Central Australia - The Great Australian Desert.
Radiometric dating or radioactive dating is a technique used to find materials such as igneous or gas, in which look impurities were selectively incorporated when they formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay.
I believe the correct answer from the choices listed above is option D. The number of stars you would find in a galaxy would be billions. Galaxies can contain billions of stars and have a massive size. As you can see in the night sky, the stars cannot be counted.

<u>There are three main types of reservoirs; valley-dammed reservoirs, bank-side reservoirs, and service reservoirs. Valley-dammed reservoirs are created in valleys between mountains. Usually, there is an existing lake or body of water.</u>