What is causing ozone thinning over Antarctica?
A. CFCs
B. PCBs
C. DDT
D. CPLs
Answer: A
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Gross domestic product (GDP) is a measure of the gross progress indicator (GPI) plus benefits not included in market transactions, minus harmful environmental and social costs.
Answer the following statement true (T) or false (F)
According to Newton, gravitational force between bodies is greater if the bodies have great
A. masses. B. distance between them. C. both of these D. neither of these
Which of the following is most likely to occur at deeper (depth >10 km) levels within the earth?
a) ductile behavior b) brittle deformation c) fracturing d) only minor changes in minerals e) none of the above
Larval stages of starfish, barnacles, and crabs belong to the ________.
A. holoplankton B. meroplankton C. benthos D. phytoplankton E. nekton