Which of the following is true of the Sun's electromagnetic spectrum?
A) It consists exclusively of streams of charged particles.
B) It consists exclusively of radiant energy made of gamma ray, X-ray, and ultraviolet wavelengths.
C) It consists of gamma ray, X-ray, ultraviolet, visible, and infrared wavelengths.
D) It consists exclusively of visible light and infrared energy.
E) It consists primarily of microwaves and radio waves.
C
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Hang from a pair of gym rings and the upward support forces of the rings will always
A) each be half your weight. B) each be equal to your weight. C) add up to equal your weight.
Looking at Figure 7.4, in which of the following countries is English neither the official language nor the de facto language?
A) India B) Canada C) South Africa D) Kenya E) Chad
The weak Coriolis effect at the equator does not allow tropical cyclones to form. Indicate whether the statement is true or false
Which of these features are likely to have the highest solar temperatures?
A) sunspots B) solar flares C) chromosphere D) core