What are the 2 body systems? (View Image)

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

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.

How can you tell the difference between rough er from smooth er?