A right rectangular prism has length 2 1/2 ​, width 1 1/2 ​, and height 1 1/2 . You use cubes with fractional edge length 1/2 to find the volume. How many cubes are there for each of the​ length, width, and height of the​ prism? Find the volume. How many cubes are there for each of the​ length, width, and height of the​ prism?

The process by weathered rock and mineral particles are removed from one area and transported elsewhere

What are we gonna edit

1. why do astronomers think that there may be other advanced civilizations?
because  it was discovered that there are other planets like earth out there, able to  accommodate life forms.
2. what technologies are astronomers using to look for life on other planets? why?  
they  have used radio telescopes, but now they use laser telescopes   to track laser communications.