The classical pinwheel-shaped galaxies are ________, according to Hubble
A) spirals B) ellipticals C) irregulars D) radio lobes E) lenticulars
A
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That the Tharsis region on Mars has so few craters:
A) proves tectonic activity is taking place. B) is due to the regions very low elevation. C) suggests it is the youngest region on the planet. D) suggests it is at the center of a particularly strong magnetic field. E) is due to annual flooding and water erosion.
When a car comes to a stop its kinetic energy is converted to internal energy in its brakes, heating them up
a. True b. False Indicate whether the statement is true or false
The Holocene is a(n)
a. epoch. b. era. c. eon. d. period.
A negatively charged grain of soot released between the parallel plates of a capacitor moves leftward. The potential between the parallel plates ________ (indicate whether it increases, decreases, or stays the same) from right to left, and the potential energy of the negatively charged grain of soot ________ (indicate whether it increases, decreases, or stays the same) from right to left.
Fill in the blank(s) with the appropriate word(s).