No, Just because it snowed one day in the middle of summer doesn't mean climate is changing, its just an oultier
It’s pretty nice but you gotta be really smart for that job but if your going good luck!! :)
B is not correct because new molecules are formed so numbers can change. D isn't correct because the color often changes, for example metallic iron and clear oxygen form red rust. The arrangement of the atoms changes, too so a isn't correct. C is cotrect