What of the following has not played a major role in forming the grand canyon
a. erosion
b. marine animals
c. the colorado river
d. deposition of sediment

The organ that has two atria and one ventricle is the

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location

Which question did the author of how to grow a school garden consider about the audience before writing the project plan