Question

A 21-day or 60-day "challenge" would likely feature

low-impact, strength-building exercises with a focus on flexibility
high-intensity cardio, strength-building exercises, and a focus on total body fitness
high-intensity, high-energy cardio exercises with little strength-building focus
low-intensity, low-impact exercises with a focus on flexibility

Answer 1

high-intensity cardio, strength-building exercises, and a focus on total body fitness

Step-by-step explanation:

Answer 2

it would be high intensity cardio, strength-building exercises and a focus on total body fitness because it’s a challenge, it would go hard on all parts of your body for the time