Which one is it answer the question

Both are only physical changes.

Explanation:

Nothing about the objects chemically change, and they remain the same.

Their changes arent due to heating/cooling.

both are physical change

Explanation:

both are cause by heating

brainliest answer

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.