Are air masses and fronts the same thing?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.