Which of the following particles made up the dust that gave the Dustbowl its name?
a. suspended grains
b. permanent grains
c. bouncing grains
d. rolling grains
Answer: a. suspended grains
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Which of the following is NOT one of the critical and interdependent "three Es" of sustainable development?
A) entrepreneurialism B) environment C) economy D) social equity
The war in Afghanistan takes place in which of the following climate types?
a. tropical savanna b. tropical rainforest c. desert and steppe d. humid subtropical
In the radioactive decay process of ________ decay, an electron is emitted from the nucleus of the parent isotope.
A. gamma B. beta C. alpha D. delta E. omega
Impacts of global warming include all of the following except ________
A) rising sea levels B) earlier migration of fish and birds C) more human illness D) decrease in mortality because winter is warmer E) more extreme weather