Answer:
i cant solve this!
Mybe i can solve another question!
False. this is just a physical change, not a chemical change.
Sound must travel through a medium/body. Space is a vacuum so there is no medium/body for sound to travel through, so there is no sound.
I cannot see all the questions, what is 18,19 and 21? (:
Power plants release sulfur dioxide and nitrogen oxides into the atmosphere, where they combine with water vapor to form acid precipitation. The correct option among all the options that are given in the question is the first option or option "a". I hope the answer will help you and it is the one you were looking for.