Answer:
Air pollution---> smog
Water pollution---> eutrophication
Land pollution---> contaminated soil
Light pollution---> sky glow
By tightening a string you are actually putting more stress on the string you are giving it a new frequency that isn't natural.
Hope this helps
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Answer:
Oi, mate its false
Explanation:
because if an leaf floats down from a tree it is not considered an object for a free-fall
KE = ½mv² = ½(4.00 kg)(16.0 m/s)² = 512 J