This process is known as analyzing options. When Raul looks over different options and/or technologies that will help him do his job, he is going over the different options and seeing which option is best for him. When deciding which is best for him, he will need to consider: what Raul needs it to complete, how each technology option compares to the next, the price point and all of the functions the technology can do. After he figures out what it can do compared to what purpose he needs it to serve, he can determine the best option for himself.
The correct answer would be D. Quick cooling on Earth's surface! Obsidian is<span>a volcanic rock formed by the rapid solidification of lava without crystallization!
