The answer is C. A layer of rock or soil that holds water underground.
"Untreated water from a factory flowing into a lake" is an example of point source pollution.
Why? You can actually point to a specific source- the factory. Runoff isn't considered point source.
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A band in the test line but not a band in the control line indicates an inconclusive pregnancy test.
<h3>What is Pregnancy test?</h3>
This test involves the measurement of Human chorionic gonadotropin in the body as it is synonymous with pregnancy.
A band in the test line but not a band in the control line indicates an inconclusive pregnancy test while a band in the control line but not a band in the test line indicates a negative test result.
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Oxygen or an oxidizing agent to receive electrons must be present for oxidation to occur in chemical reactions
Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water. ... For example, both processes synthesize and use ATP, the energy currency.
