The Milky Way Galaxy is alone, that is, not a part of a group or cluster
a. True
b. False
Indicate whether the statement is true or false
False
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An air mass forming over the Gulf of Mexico would be classified as
a. mE. b. mT. c. aP. d. cE.
If each frame of a motion picture film is 35 cm high, and 24 frames go by in a second, estimate how many frames are needed to show a two hour long movie
a. 1400 b. 25000 c. 50000 d. 170000 e. This cannot be determined without knowing how many reels were used.
All elements heavier than iron are made during supernova explosions
Indicate whether the statement is true or false
Photon Energy: A photon of blue light and a photon of red light are traveling in vacuum. The photon of blue light
A. has a smaller wavelength than a photon of red light and travels with the same speed. B. has a smaller wavelength than a photon of red light and travels with a greater speed. C. has a longer wavelength than a photon of red light and travels with the same speed. D. has a longer wavelength than a photon of red light and travels with a greater speed.