Answer:
"Matter" it has mass and it takes up space.
The first one, cause their trying to make it a positive way to reinforce. Which just means their trying to fix something again
If there are more seeds available then the number of finches will increase as they will have a sufficient food supply.
Archaebacteria move by using the form of a flagellum to propel a themselves.
hope that helps
This describes erosion due to the mud sliding downward.
