Describe what is the role of chlorophyll inside chloroplasts?

An easy way to calculate the amount of energy available at each level is to what?

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.

The chemical form of energy that is useable by the cell to do work