Answer:
Aerobic activities of an intensity at least six times that of resting (6 METs), commonly defined as activities with enough intensity to produce improvements in cardiovascular fitness.
Explanation:
The answer is:
4. scissors
The correct spelling for the rest is:
1. deficency-deficiency
2. labratoey-laboratory
3.psychiatry-psychiatry
african bush elephants are 11ft and Asian elephants are 8.9ft