The aquifer which will be most effective in purifying polluted ground water is AN AQUIFER COMPOSED MAINLY OF SAND.
An aquifer refers to a zone of permeable rock strata which transmit ground water freely. An aquifer must be permeable and porous. Ground water can be extracted from an aquifer by using a water well.
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Chains of amino acids make proteins. They can fold into many different complex shapes.
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Cetaceans are mammals that have adapted to aquatic life and live exclusively in the water. The term Cetacea in biological terms means whale or (originally) large sea animal. There are three types of marine mammals that compose the cetacean species which include whales, dolphins and porpoises.
Explanation:
Answer: You can consult:
One solution is to limit the scope of the study. Another possibility
is do several smaller studies over a longer period of time.
Explanation:
I'm not sure but hope it helps.