Why might a personal budget include information on BOTH spending AND saving habits?

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.

The government of country a has determined there is a coal shortage based on mining reports.as a result of these data, the government decreases coal exports to other nations. access to information country a

Why do the presidential candidates spend more time in states with large population