Answer the following question: Answer the following question given this paragraph: Water shortages are common in much of the world. People are most likely to run short of water during droughts. A drought is a period of unusually low rainfall. Human actions have increased how often droughts occur. One way people can help to bring on drought is by cutting down trees. Trees add a lot of water vapor to the air. With fewer trees, the air is drier and droughts are more common. Q: Because trees add water vapor to air, cutting down forests leads to longer periods of what? A:

Available options: [i] ice; [ii] harvest; [iii] flooding; [iv] drought;
Answer:
[iv]