In the example, what would have been shannon's total expenses total if she had saved just $80 for gasoline? $100

Why are low-lying lands more suitable for agriculture than hilly areas?

The principle that the geoglical processes that we see today have occurred through out earths history is called

Science cannot describe things that a.) are beyond imagination, experience, or human ability b.) cannot be observed, measured, or tested c.) have not been conclusively proven d.) occur without being seen, heard, or felt