Answer:
2S +3O2 =2SO3
Explanation:
2 at the front of sulphur is to equalize the 2 put in SO3.
I can describe one prop. of energy: it can not be created or destroyed. It can be transferred, or converted, though.
Answer:D erosion
Explanation:
The question tells you how the students watched the dirt move so it makes sense that its erosion
