A, C, D i believe are the answers...
Answer:
According to research jump rope for a minimum of five minutes a day can improve physical fitness and when you build to ten minutes of nonstop jumping at 120 RPMs it can provide the same benefits as all of the following except:
Answer:
C
Explanation:Stress just makes you loss concentration.Exhaustion will just make you very cranky or mad, But resistance will always keep you alert and it will also sharpen your concentration.