The most common source of water contamination is: A. sewage.
The brain releases endorphins while exercising, the release of these endorphins tend to make people happy.
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Explanation:
Bursitis occurs when the bursa inflames. This can happen due to some activities using some joints for a prolonged time and with a lot of force. This bursa is essentially a sac that is filled with synovial fluid and it is located where there is direct contact between bones. This is there to reduce friction between some tendons or muscles and the bones in a joint. Cycling, long-distance running, and tennis are all high impact sports and really overuse some joints like the knees or wrists.
Answer: whats the question
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