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Outline the process of eutrophication

Eutrophication occurs when nitrate fertilisers are carried by ground water into lakes and ponds. The fertliser encourages algal growth in the water, which in turn blocks out sunlight. This causes submerge...

IG
Answered by India G. Biology tutor
4781 Views

Coal is a fossil fuel and in constant debates for its negative impacts on the environment. Which elements does it consist of and which products are being formed when it is burned? Give two examples for the effects on the environment.

(a) Coal contains  Carbon (80%) Sulfur (9%) Oxygen (5%) Hydrogen (1%) other elements (5%) (b) Carbondioxide (CO2) Sulfurdioxide (SO2) Water  (H2O) (c)  Carbon dioxide: Global warming (green house effect) ...

TP
Answered by Thea P. Chemistry tutor
2373 Views

Discuss the relative importance of human and physical causes of desertification. [15 marks]

Desertification is the expansion of dry desert conditions into areas that previously had not experienced them. This is characterized by lower soil productivity and a depletion of natural resources. There ...

OS
Answered by Oliver S. Geography tutor
5411 Views

What should I include in my personal statement?

The key question you need to have in your mind when writing your personal statement is: “Why me?”Admissions officers want to know if you are the type of person who could contribute to their Universities i...

MR
Answered by Muna R. LNAT tutor
2122 Views

Explore a mode of female freedom in Elizabeth Gaskell’s North and South

Margaret’s inheritance in North and South serves as a source of economic freedom as it successfully integrates her into the masculine sphere of influence. Margaret is transformed from a woman characterise...

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Answered by Muna R. English tutor
2573 Views

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