The flattest of the ellipticals are class
A) SBO. B) SBF. C) E9. D) E7. E) E0.
D
Physics & Space Science
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____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity
Fill in the blank(s) with correct word
Physics & Space Science
How does metal content vary between Population I and II? Why?
What will be an ideal response?
Physics & Space Science
What are the formula masses of water, H20; propene, C3H6; and 2-propanol, C3H8O?
A) water: 18 amu; propene: 40 amu; 2-propanol: 58 amu B) water: 18 amu; propene: 42 amu; 2-propanol: 62 amu C) water: 18 amu; propene: 42 amu; 2-propanol: 60 amu D) water: 18 amu; propene: 44 amu; 2-propanol: 64 amu
Physics & Space Science
When oxygen and hydrogen gases combine, the result is
A) water. B) methane. C) a noble gas.
Physics & Space Science