Joke Collection Website - Mood Talk - Tintin and Doudou are very humorous.

Tintin and Doudou are very humorous.

First, everything has internal energy. So option a is wrong and does not meet the meaning of the question.

B, the molecules of matter are constantly doing random thermal motion, and all objects have internal energy.

Water can evaporate at any temperature, so there is water vapor in the air on snowy days. So c and d are not related.

So choose B.