Task 1:
1, b: the practice of supplying water
2, f: the act of going to live in a new place
3, c: a situation in which there is not enough food
4, e: warning to avoid danger
5, a: rain
6, d: very strong
Task 2:
1, Definition of a drought: A
2, Example of a drought: B
3, Solutions of a drought: C
4, Effects of a drought: B
Task 3:
1, dry weather
2, region
3, duration
4, trees
5, heat
6, reservoirs