When was the National Oceanographic and Atmospheric Administration (NOAA) established?
A. 1950
B. 1960
C. 1970
D. 1980
E. 1990
Answer: C
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Do clear skies accompany stable, unstable, or neutral stability conditions? Explain your answer.
What will be an ideal response?
Suppose a gun were made of a strong but very light material. Suppose also that the pellet is more massive than the gun itself. For such a weapon
A) the target would be safer than the shooter. B) recoil problems would be lessened. C) conservation of energy would not hold. D) conservation of momentum would not hold. E) both conservation of energy and momentum would not hold.
The Kelvin scale is preferred in some scientific applications because:
A) it was created first and so has the longest history of scientific validation. B) 0 K represents the freezing point of water, a useful scientific basis for a temperature scale. C) it has the same degree value as the Fahrenheit scale, making it easier for Americans to use. D) 0 K actually represents absolute zero, so the scale is based on the actual scientific definition of temperature.
Solar cookers could replace ________ as an affordable source of energy in rural villages in third world countries
A) natural gas B) nuclear power C) fusion power D) fire wood