Answer:
B
Explanation:
Chemistry is the study of matter, its composition and the changes it undergoes.
This is a double replacement reaction; the ions switch twice.
I think the correct answer from the choices listed above is option D. Outer planets are mostly made up of gases and are huge in size. These gases are hydrogen and helium. <span>These outer planets are Saturn, Jupiter, Uranus, and Neptune. Hope this answers the question.</span>
A because a gas is more spread out, and all the particles are everywhere, moving, hitting each other, colliding, so A is more movement. Trust me. Your welcome!