Well no-one really know's but my perception of life is all a big lesson for what will be in the afterlife.
If we do not asses our environment, our risk of sickness and disease increases. Any kind of chemical or radiological substances in the air are exposures that can affect our health. Meaning that the air we breathe, foods we eat, the water we drink from, and the products we use can sicken us if they aren't properly cleaned or pure.
Answer:
I am pretty sure it is B
Explanation:
This is the answer because if you are negative or in a bad mental state are you going to want to contribute to your community no but a happy well minded person would.