Well, pollution has to do with littering in the water? If so, I'm thinking that it would have to do with activities such as swimming, diving, and possibly ice hockey? Not so positive on the hockey part though?
The pollution of the water would create chemicals that would spread throughout the water and if someone went into the water, it could effect their lungs since you are breathing it.
It's basically like when you forget to put the top on your hot tub and you get algae.
Devices with sharp points or edges that can pierce or cut skin are available.
How should sharps be disposed of properly?
Sharps should be disposed of in a sharps container; if they are needles, they can be recapped.
Sharp items include needles, lancets, syringes, infusion sets, and auto-injectors. Used needles and other sharp objects are dangerous for individuals, and if they are not properly disposed of, they can cause injuries and spread illnesses to other people. AIDS and hepatic hepatitis are the most prevalent illnesses. Sharpie disposal is crucial, regardless of whether you're at home, at school, at college, or in a hospital. Never flush sharp objects down the toilet, as this poses a risk to sewer workers and rag pickers.
To learn more about sharp refer to:
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It can be a chemical imbalance in the brain, a traumatic event, bad home life, etc.
Replacing a drug of dependence with a prescribed drug in this way is known as Pharmacotherapy
