Which formula is best for obtaining physical fitness through physical activity?​ isometric method

BMI

Isokinetic formula

FITT

How could natural selection best be used to explain the evolution of the white fur of arctic fox

How can the stress response be used in a way. for example to build resilience.

Which describes a side effect? a. an unwanted physical or mental effect caused by a drug b. developing a chemical need for a drug c. the need for increasingly larger amounts of the drug d. the body’s reaction to not having the drug