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2nd level- walking
3rd- weight training
4th- soccer
I think that drugs and their affects would be interesting to learn about, because its a big issue in our world today, and it's good to learn about these things (such as drugs/alcohol)
Answer:
B. improved methods of sanitation is the answer.
Explanation:
The burning of fossil fuels puts out excess carbon, which is considered the largest cause of air pollution.
Answer:
Living a safe lifestyle like doing low risks things would mean you wouldnt be putting your self at risk for stress and danger. For example, your friends may be jumping off a cliff into the water and they end up getting injured. You on the other hand didnt do anything with the risk so you ended up bring fine.