Part I: Secret Word
Date:
Directions: Use the clues to complete the puzzle and find the secret word.
-23456
7.
8.
The comparison of the energy consumed in farming with the energy contained in the crops
Substances found on Earth that are necessary or valuable to
humans
Sacrifices a society will make to protect resources
The process of designing human living environments
People living
together by a set of laws or customs
Maintaining a society without consuming too many natural resources
A decision-making process in which the economic and ecological price is weighed against
the benefit
Variety of life within an ecosystem
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Clue: If all populations were to use resources responsibly, we would have-
Secret Word:
-