<span>Effluent is a water that is returned to the environment after secondary treatment. It is a liquid waste that is discharged in the sea or river. It is also termed as a water that is treated or not which passes a sewer and treatment plant.</span>
Its due to the rotation of the earth.
So correct option is B
Answer:
the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
The answer is c. they live in conditions similar to those likely to be found on other planets.