Which type of nuclear reaction is used in commercial power generation?

a. fusion

b. fission

c. alpha decay

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.

All organisms contribute some water to the water cycle by conducting

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture