Why is the planet pluto not a planet anymore?

Give reason why some traditional caribbean customs are presently changing

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?

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.