Which of the following is the least biodegradable?
A) Paper bag from a grocery store
B) Leaves and branches piled up on a hillside
C) Glass beer bottle
D) Polyethylene wrapper that was used to package Campbell's soup
C
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Christopher Columbus was the first person to discover the "New World"
Indicate whether the statement is true or false
The leftmost block of wood is like a mountain range on Earth in that it
A. is composed of less dense materials and is a thick block (crust) compared to other blocks (land areas on Earth). B. is over a part of the Earth where the mantle is unusually thin. C. is underlain by ocean. D. is composed of more dense materials and is a thick block (crust) compared to other blocks (land areas on Earth).
The Western United States has been exceptionally dry over:
a. the past 100 years b. the past 50 years c. the past year d. the past 10 years
The two types of overpopulation are ____, apparent in LDCs, and ____, apparent in MDCs
a. ethnic; ecological b. consumption; people c. people; consumption d. urban; ethnic e. ethnic; urban