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      <title>EV-3 FORMATIVE ASSESSMENT-1   by Devika Anoop</title>
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      <description>SCIENCE- DIGITAL JOURNAL </description>
      <language>en-us</language>
      <pubDate>2021-12-18 07:56:24 UTC</pubDate>
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         <title>WHAT IS ACID RAIN? </title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1954635345</link>
         <description><![CDATA[<div><strong>Acid rain</strong> is <a href="https://en.wikipedia.org/wiki/Rain">rain</a> or any other form of <a href="https://en.wikipedia.org/wiki/Precipitation_(meteorology)">precipitation</a> that is unusually <a href="https://en.wikipedia.org/wiki/Acid">acidic</a>, meaning that it has elevated levels of <a href="https://en.wikipedia.org/wiki/Hydrogen_ions">hydrogen ions</a>. It contains acidic components such as nitric or sulfuric acid. It is rainfall made so acidic by atmospheric pollution that it causes environmental harm, chiefly to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulfur and nitrogen oxides which combine with atmospheric water to form acids.<br><br></div>]]></description>
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         <pubDate>2021-12-18 08:21:18 UTC</pubDate>
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         <title></title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1954650587</link>
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         <pubDate>2021-12-18 08:51:32 UTC</pubDate>
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         <title>EFFECTS OF ACID RAIN ON THE ENVIRONMENT</title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1954656834</link>
         <description><![CDATA[<div>- Acid rain makes the water of lakes, ponds, and rivers too acidic due to which fish and other aquatic animals may get killed.<br>- Acid rain eats up the leaves of trees eventually, by losing leaves the trees die.&nbsp;<br>- Acid rain damages metal structures like steel bridges, etc.<br>- Acid rain damages the surfaces of buildings and monuments made of stone.</div>]]></description>
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         <pubDate>2021-12-18 09:03:37 UTC</pubDate>
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         <title>WHY IS ACID RAIN A CONCERN?</title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1954662960</link>
         <description><![CDATA[<div>The pollution that causes acid rain can also create tiny particles. When these particles get into people's lungs, they can cause <strong>health problems</strong> or can make existing health problems worse. Swimming in an acidic lake or walking in an acidic puddle is harmful to people than swimming or walking in clean water.&nbsp;</div><div><br></div>]]></description>
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         <pubDate>2021-12-18 09:15:55 UTC</pubDate>
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         <title>WHAT ARE THE ENVIRONMENTAL PROBLEMS CAUSED BY ACID RAIN?</title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1957099061</link>
         <description><![CDATA[<div>• The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be <strong>harmful to fish and other wildlife</strong>. <br><br>• Acid rain can be <strong>extremely harmful to forests</strong>. Acid rain that seeps into the ground can dissolve nutrients, such as magnesium and calcium, that trees need to be healthy. Acid rain also causes the aluminum to be released into the soil, which makes it difficult for trees to take up water.&nbsp;</div>]]></description>
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         <pubDate>2021-12-20 14:48:31 UTC</pubDate>
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         <title>MEASURES TO BE TAKEN AGAINST ACID RAIN</title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1957113634</link>
         <description><![CDATA[<div><strong>1. Reduce the amount of sulfur dioxide and oxides of nitrogen released into the atmosphere<br></strong>i. Use less energy (hence less fuel burnt)<br>ii. Remove oxides of sulfur and oxides of nitrogen before releasing<br><br><strong>2. Use cleaner fuels<br></strong>i. Coal that contains less sulfur<br>ii. Natural Gas<br><br><strong>3. Flue Gas Desulphurisation (FGD)<br></strong>Removes sulfur dioxide from flue gas (waste gases)<br><strong><br>4. Reducing the effects of Acid Rain by Liming<br></strong>Powdered limestone/limewater added to water and soil to neutralize acid</div>]]></description>
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         <pubDate>2021-12-20 14:55:45 UTC</pubDate>
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         <title></title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1957141367</link>
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         <pubDate>2021-12-20 15:09:32 UTC</pubDate>
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         <title>HOW IS ACID RAIN CAUSED?</title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1957163816</link>
         <description><![CDATA[<div>Acid rain results when sulfur dioxide and nitrogen oxides are emitted into the atmosphere and transported by wind and air currents. The sulfur dioxide and nitrogen dioxide react with water, oxygen, and other chemicals to form sulfuric and nitric acids. These then mix with water and other materials before falling to the ground.</div>]]></description>
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         <pubDate>2021-12-20 15:21:17 UTC</pubDate>
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         <author>devikaanoop4321</author>
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         <pubDate>2021-12-20 15:34:46 UTC</pubDate>
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         <title></title>
         <author>devikaanoop4321</author>
         <link>https://padlet.com/devikaanoop4321/svc1nzapdzj90iui/wish/1966705047</link>
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         <pubDate>2021-12-28 15:21:21 UTC</pubDate>
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