Coal mining produces not only air pollution but solid waste; ash and flue - gas desulferization sludge ( look it up ), which contains toxic arsenic and radioactive uranium among other heavy metals. Water becomes polluted with these harmful substances through mountain top removal mining and so underwater creatures are poisoned and plants absorb deadly substances and die, which also contributes to the aquatic organisms death as the plants may have been a food source.
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Answer Below
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It usually occurs every 3 to 5 years but can occur as low as every 2 years or as long as every 7 years.
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A light microscope, particularly when the cell has indeed been spattered to disclose information, would've been ideal when examining a small living organism.
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A light microscope is a laboratory biology instrument or device that uses transparent sensors to illuminate and exacerbate and enlarge, very small objects. Individuals use lenses to center light on the test sample, thereby amplifying it to produce an image. The experiment is usually located near the respective.
It does this by producing a magnified image using a series of glass lenses, which first focuses a laser light on or through an object, then conveys objective lenses to expand the created image.
<span> This is an example of a quantitative </span><span>observation</span>
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wrong subject and none of theses is the answer :(