Physical change. Boiling water does not change the fundamental properties of the water, as it can turn back into water during condensation.
I am pretty sure that the answer is carbon dioxide.
Answer:
Both are the same but done by different space agencies.
Explanation:
The recent discovery is same as the LCROSS discovery because both are done in order to discover water on the moon. it is potentially exciting for humans because water is very important for life as well as this water is also can be used for formation of rocket fuel from it which helps the rocket in movement from moon to the earth if the fuel is finished.