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Tuesday 26 March 2013

Wooshe

* Some weather conditions squeeze the amount of rail line pollution.Suggest and relieve one weather condition that can bring low air pollution. (1)    |
* Students reply: * resolution suggestion:
rain dissolves/washes away pollutants /
aerial conditions blow pollutants away (1) *
Score: 0.00
|
* head teacher 2. 2. Real going     Scientists requirement to know if there is a documentary balance between the particulate entropy before the Games and after the Games began.Use the data and chart provided to show how scientists decide whether there is a real unlikeness. (2) |
* Students Reply: * Answer suggestion:
no real difference (1)
ranges overlap /
mean of first manipulate of values indoors range of second set /
mean of second set of values within range of first set
(1) *
Score: 0.00|
* Question 3. 3. Acid Rain     Describe how the burning of fuel in a power station leads to the formation of acid rain. (3)|
* Students Reply: * Answer suggestion:
as fuel burns it forms process dioxide (1)
sulfur dioxide reacts with oxygen (1)
and water (in the air) (1) *
Score: 0.00|
* Question 4. 4. restate Measurements Taking several measurements gives a better estimate of the character of carbon monoxide released than taking just one measurement.Explain why.

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(2) |
* Students Reply: * Answer suggestion:
any two from:
it enables an average/mean to be calculated;
it allows outliers to be identified (and discarded);
it allows for differences in samples / it allows for
fallacys in equipment / it allows for errors in
proficiency / one measurement may be in error; *
Score: 0.00|
* Question 5. 5. Removing sulfur Burning coal in power stations produces sulfur dioxide, a polluting gas.It is possible to reduce this pollution.One way of doing this is to use less electricity so that we indispensableness to burn less coal.Explain one other way to reduce the pollution from sulfur dioxide in coal-burning power stations. (2) |
* Students Reply: * Answer...If you want to get a full essay, order it on our website: Ordercustompaper.com



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