TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: Which process helps provide cleaner water for agriculture?

SOLUTION: process of desalinization

PROBLEM: What process is involved in the formation of a waterfall, when a stream flows from an area of harder to softer rock?

SOLUTION: erosion

PROBLEM: E. histolytica causes what kind of dysentery?

SOLUTION:
amebic