TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Activities that can reduce the effects of edema condition include exercises to keep the blood and lymph flowing through affected areas.

SOLUTION: Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?

PROBLEM: Single-celled organisms and multicellular organisms have this in common: both have a way to get rid of waste materials.

SOLUTION: Which characteristic do single-celled organisms and multicellular organisms have in common?

PROBLEM: Diffusion is the term for the movement of molecules from an area of high concentration to an area of low concentration.

SOLUTION:
What is the term for the movement of molecules from an area of high concentration to an area of low concentration?