Answer:
Forests prevent desertification.
Explanation:
Change that has a pattern
Answer:
b.
Explanation:
Cation and anion.
For example Na+ and Cl- -----> NaCl.
I would assume so.
Given

, we can simplify the fraction to

Both would obtain the same proportions, so I don't see why putting a half cup of sugar would make things any different.
Hope this is the answer you are looking for.