What are three reasons children may experience speech difficulties?

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.

Anode is a point on a wave where there is no vibration. a. true b. false

Arecent challenge to the european union created by a member state is?