01] a petroleum refinery is to be built in a location. the refinery is most likely to dump its wastes into the local river. this might cause serious environmental problems in the location. which of these is the best method to solve this problem? (2 points)
question 2 options:
1) ban the use of river water for drinking and cleaning purpose.
2) devise methods to recycle the waste and dispose of it safely.
3) plant more trees in the location to keep the environment clean.
4) formulate appropriate reviews and controls to prevent excess use of river water.

2) Devise methods to recycle the waste and dispose of it safely.

Explanation:

A petroleum refinery is an industrial process in which the crude oil is transformed into commercial products such as petroleum. The organic wastes such as fuels not required are generally released in the nearby water body. Instead of doing this the waste should be recycled in the same industry into useable products. This will prevent the pollution of land, water and soil.

On the basis of the above description, 2) Devise methods to recycle the waste and dispose of it safely. is the correct option.

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answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation: