A galaxy with little cool gas or dust and no evidence of ongoing star formation is most likely a(n)
A) Seyfert.
B) elliptical.
C) irregular.
D) spiral.
E) barred spiral.
B
Physics & Space Science
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What would you observe when two light waves meet in phase with one another?
Physics & Space Science
Most water of the Earth is stored in
What will be an ideal response?
Physics & Space Science
Resistors in Combination: The resistors in the circuit shown in the figure each have a resistance of 700 ?. What is the equivalent resistance between points a and b of this combination?
A. 700 ? B. 2800 ? C. 175 ? D. 1400 ?
Physics & Space Science
The process in which two or more lighter elements combine to form a single heavier element is called
A. fission. B. nucleosynthesis. C. photodisintegration. D. neutronization.
Physics & Space Science