Which term refers to all the mechanical and chemical processes that break up rock?

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.

If you wish to make an explicit comparison of two dissimilar things without using like or as you would use the

The animals in the food web release into the environment, which plants then use for a) oxygen: respiration b) carbon dioxide: respiration c) water vapor: photosynthesis d) carbon dioxide: photosynthesis