What term is used to describe a system that loses energy to objects that are not part of the system?
raised
low

open
closed

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.

Environmental science are unconsidered with methods to preserve natural resourcesa. trueb. false

Which of the following is a testable hypotheses?