What is a nebula? a) cloud of asteroids b) group of stars c) cloud of dust and gas in space d) groups of planets orbiting a star

The answer to your question is,

C. Cloud of dust and gas in space.

-Mabel <3

a nebula is a  cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.

therfore your answer would be C  cloud of dust and gas in space

question answered by

(jacemorris04)

"the periodic table is arranged in order of atomic number."

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.