Tip for next time, when you are looking at these things, rather than just posting it, take a look at your options. A solid to a gas, this means that melting cant be an option because that is solid to a liquid, evaporation cant be an option because that is liquid to a gas and condensation cant be because that is gas to a l. Therefore the answer must be sublimatio.
Answer:
D. 2:5
Explanation:
It has 5 valency electrons
Answer:
Chemical reactions are important because they break down and make new molecules constantly, and are necessary for life.
