T. J. has a fitness goal to increase his cardiovascular fitness level. Based on training principles, what should T. J. do to work toward that goal? He should start participating in shot put and discus throw on the school's track team. This requires him to start a weight training program.
He should start a stretching program that requires him to stretch every morning. This will increase his flexibility.
He should start lifting weights for an hour a day, three days a week. After the first month, he will add in some stretching and add walking for 10 minutes before each workout.
He should start walking two miles a day, three days a week. After two weeks, he will jog one mile and walk one mile three days a week.

He should start walking two miles a day, three days a week. After two weeks, he will jog one mile and walk one mile three days a week.

Explanation:

Training principles require people to follow a proper progression when designing their fitness routine. They need to start from easier regimen before trying out a harder regimen in order to prevent injuries.

If the goal is to increase cardiovascular fitness, T.J need to do activities that cause an elevation in his heart rate. Jogging is a great way to do this.

If T.J want to follow a proper training principles, he should start off with something easy before jogging. Walking in a long distance is a good way for TJ to condition his body for the harder regimen.

the first forms of writing came from them in the form of pictographs around 3100 bc.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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