D. Use a condom during every sexual encounter
Answer:
1. 3 aerobic exercises: long distance running such as a marathon, swimming (long distsnces), cycling (long distances). Most effective: the most effective exercise that is anaerobic doesn't exist. It all depends on the sport you are training for. Sport specific training is key. If you are a runer then running would be best. If you are swimmer then swimming is best etc. That being said, intensity matters as well. If you are not training at specific intensities that will stress your body then an adaptation will not be possible.
2. 3 anaerboic exercises: weight training, sprinting, plyometrics. Most effective: again depends on your goals.
3. AN AEROBIC SPORT: soccer
an anaerobic sport: powerlfiting
soccer requires aerobic glycolysis as your primary energy system. Uses carbohydrates as the primary fuel source. It is a long duration sport that requires one to run and sprint.
powerlifting: is a fast explosive sport. Doesnt require carbs. It relies on phosocreatine as the primary fuel source. Explosive movements at high intensities with maximal exertion.
Explanation:
see above.
The answer would be D because the proportion is 6:9, which could be simplified to 2:3
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