Increasing the temperature of 1 gram of ice-cold water to the temperature of boiling water requires
A) 80 calories.
B) 100 calories.
C) 540 calories.
D) none of the above
Answer: B
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Why are the belts and zones on Saturn less distinct than the belts and zones on Jupiter?
What will be an ideal response?
An aurora borealis high above the atmosphere is due to
A) disturbances in Earth's magnetic field. B) fountains of high-speed charged particles. C) trapping of charged particles by Earth's magnetic field. D) all of the above
In order for a body to exhibit simple harmonic motion there must be
A. a force drawing the body toward the center and decreasing with distance away from the center. B. a force drawing the body toward the center and increasing with distance away from the center. C. a constant force drawing the body toward the center. D. a constant force pushing the body away from the center. E. a force pushing the body away from the center and increasing with distance away from the center.
Compounds containing only carbon and hydrogen are known as ______________
Fill in the blank(s) with correct word