Question

Question 30 (1 point)
Choose the word that BEST completes the following sentence.
Clusters of galaxies and individual galaxies formed from pieces of enormous
- and helium clouds.
-------
A) Dust
B) Hydrogen
C) Stars
D) Matter

Answer 1

Answer:

For some reason, I'm torn between dust and Hydrogen, but I'm pretty sure it's Hydrogen.

Answer 2

Answer:

Hydrogen.

Explanation: