Which of the following is an example of an object with elastic potential energy?
a. a bow knocked back with an arrow
a stretched rubber band
b. a compressed basketball
all of the above

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.

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane