Which of the following would be considered applied research?
A) determining the lightest and strongest metal to be used for an airplane wing
B) testing the strength of a piece of metal
C) determining the melting temperature of a metal
D) examining how susceptible a metal is to bending
E) determining how readily a metal corrodes in a wet environment
A
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Which of the following patterns refers to a quasi-biennial oscillation?
A. reversal of stratospheric winds above the tropics B. 2 million-year cycle of ice advances and retreats C. cycle of increase and decrease in carbon dioxide concentrations D. 22-year cycle of sunspots
Discuss the role of dropsondes in hurricane forecasting
What will be an ideal response?
Perpetual motion machines, which by definition would not require an additional energy input, cannot exist because ________
A) kinetic energy requires an input of light energy B) energy cannot be converted from one form to another C) in any energy conversion, some energy is lost to the surroundings as heat D) energy cannot be created or destroyed
Based on a stringent mitigation scenario for future fossil fuel consumption, temperatures in the Arctic are expected to rise by at least 2°C, and under a minimal mitigation scenario would rise by about 5°C by mid-century
a. True b. False