The most common molecule in a molecular cloud is:

A) methane, CH4.
B) molecular hydrogen, H2.
C) carbon monoxide, CO.
D) water, H2O.
E) ammonia, NH3.


B

Physics & Space Science

You might also like to view...

Between July 1969 and December 1972, 17 people reached the surface of the Moon

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

Henrietta Leavitt's period-luminosity relation for ________ indicates that longer periods mean more luminosity

Fill in the blank(s) with correct word

Physics & Space Science

If you wish to keep chicken warm in a shed on a cold night, the best lamp to use is

A) an incandescent lamp. B) a fluorescent lamp. C) an LED lamp. D) a CFL lamp.

Physics & Space Science

If you drop a pencil while riding on a smooth riding bus, why does the pencil land at the same place it would if the bus were at rest?

What will be an ideal response?

Physics & Space Science