Answer:
it is the average period of time a person can expect to live.
Explanation:
B is the answer Gathering evidence through observations and experimentation!
Im not entirely sure but i think the best answers are planning ahead, being willing to fail, developing strategies, and determining outcomes
It's called the target heart rate
In order to have an effective workout, Most of health experts recommend that we target our average heart rate from 55 % to 85% of our maximum heart rate for at least 20 - 30 minutes
It will greatly lower the risk of heart disease and increase metabolism
