Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

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

600 million many years ago may the earliest fungi have evolved.
How many years ago may the earliest fungi have evolved?

Like skeletal muscle, cardiac muscle is striated.

Like skeletal muscle, cardiac muscle is what?