The continent with large desert area . A . Australia B . southAmerica C . Asia D . Africa​

Whether or not a given study has the possibility of causing harm to participants:

When constance visited lookout mountain, what region was she seeing?

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.