Work = force x distance
200 Newtons x 20 meters
= 4,000 Joules
<em>Important thing is that all unitless quantity is dimensionless quantity. .</em><em>A</em><em> dimensionless physical quantity may have an unit</em>
Answer:
the soild material is allowe to settle into a sludge layer the remaining waste water undergoes a secondart treatment that uses bacteria to break down organic matter
treat water is left to sit while particles settle out, with settle d particles being added to sluudge,
water is disinfeted
Explanation:
Answer:
Bacteria and Parasites from Sewage. If sewage is improperly treated it can contaminate water with a variety of bacteria and other parasites.
Industrial Waste. ..
Fertilizer and Lawn Chemicals. ...
Silt and Soil. ...
Humans and Water Pollution Through Detergents. ...
Petrochemicals Contribute to Water Pollution.
Explanation:
