Rotation and magnetism both play key roles in protostar formation
Indicate whether the statement is true or false
TRUE
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What tool did Galileo use to prove that the Moon was not perfect?
a. microscope b. telescope c. quadranoscope d. thermometer e. anemometer
Find the pressure in atmospheres in the water at the base of Dworshak Dam if the water in the reservoir is 200 meters deep. (1.01 × 105 N/m2 = 1 atm.)
A. 20.4 atm B. 24.7 atm C. 29.4 atm D. 194 atm E. 75 atm
The specific heat of an ideal gas at constant pressure is greater than the specific heat of an ideal gas at constant volume because
a. work is done by a gas at constant pressure. b. work is done by a gas at constant volume. c. no work is done by a gas at constant pressure. d. the temperature remains constant for a gas at constant pressure. e. the temperature remains constant for a gas at constant volume.
Which of these is NOT true about the early Arab practice of alchemy?
a. Alchemists were looking for the secrets of eternal life and how to turn inexpensive materials into gold. b. Alchemists were early experimental scientists and observers. c. Alchemy was pseudoscience, rather than involving any form of research. d. Alchemists were important predecessors of modern chemists. e. Alchemists studied materials and how they changed.