How do we know that there are intergalactic clouds between a distant quasar and us?
A) We see hydrogen emission lines at redshifts smaller than that of the quasar.
B) We see hydrogen absorption lines at redshifts smaller than that of the quasar.
C) We see hydrogen emission lines at redshifts greater than that of the quasar.
D) We see hydrogen absorption lines at redshifts greater than that of the quasar.
E) We see that the emission lines from the quasar are lessened by intervening gas and dust.
B
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A boulder rolls off of a very high cliff. If you disregard air, while it is falling, its trajectory is never truly vertical
A) True B) False
An area of 1.00 × 102 cm2 is how many square meters?
A) 1.00 m2 B) 1.00 × 102 m2 C) 1.00 × 10-2 m2 D) 1.00 × 104 m2 E) 1.00 × 10-3 m2
The International Date Line is a theoretical line following approximately the ______________ meridian
Fill in the blank(s) with correct word
In "Filomena" by Roberta Fernandez, the author refers to the Mexican rituals for the Day of the Dead, how is this celebration portrayed in the story?