Answer:
Design more studies testing the effect of duration and intensity of exercise on cholesterol levels in different age groups.
Explanation:
Answer: Slow, long lasting, widespread responses
Because they interfere witht he natural cycling of elements.
An example is crop harvesting. The practice of removing part or all of the crops grown from the soil accelerates the loss of nutrients from the soil. The cycling of nutrients from plant uptake and release is interrupted by crop removal.
Hope this helps!
E.greenhouse gases
That's all I know but I know for sure that one is correct