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To include interval training, find a steep hill or sets of stairs that will allow you to climb steadily for one to three minutes. Push as hard as you can going up, then recover coming down, and repeat for anywhere from 20–60 minutes depending on how close to your climb you are.
Answer: 3 yellow
Explanation: 7-4=3
Hope this helps!!Brainlist?plz
U have a lot of strwngerh
