Roche Moutonnees have been found in a few parks in NYC. While the Central Park one gets all the attention, we do have one in Inwood Hill Park as well. What is a Roche Moutonnee, when were they formed in NYC (2-points)

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.