Biology, 16.10.2019 11:30 razomike88

Environmental bioremediation using bacteria is least effective on

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Environmental bioremediation using bacteria is least effective on heavy metals. Bioremediation is a waste treatment method that involves using microorganisms in order to neutralize or minimize the pollutants present from the waste. Typically it is used in breaking down substances that are classified as hazardous into less toxic or better as non toxic compounds. Although, this method is often used in a number of industries, its effect has its own limitations. Not all of the contaminants present in the waste can be treated easily by this method especially heavy metals like lead and cadmium where in they cannot be captured or absorbed by microorganisms readily.

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d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports the evolution of earth due to chemical weathering.

hope it !

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i thinking chemical change

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