A meteor falls toward earths surface. given that the acceleration due to gravity is 9.8m/s^2 , what is the meteor's potential energy if it has a mass of 50 kg at an altitude of 300 m? A. 147,000 J
B. 1,531 J
C. 22,050,000 J
D. 16 J

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Several bodily responses are described below. for each response, determine what caused the change in homeostasis. body starts to sweat breathing rate increases amount of saliva produced changes body starts to shiver

What type of cell division is used to replace old cell?