I'm not sure but I think the answer is C or D.
I think A is not possible because where did the energy go if it's not transformed?
B is definitely not because energy cannot be destroyed.
Answer:
Homogeneous mixture.
Explanation:
On mixing with water, it dissolves completely in it, hence, being a homogenous mixture.
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>
The answer is A cause gas clouds hold elements in it