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Answers
Answer:
it is caused by increased concentration of greenhouse gases in the atmosphere , mainly from human activities such as burning fossils fuels ,deforestation and farming.
Ozone depletion consists of two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere, and a much larger springtime decrease in stratospheric ozone around Earth's polar regions. The latter phenomenon is referred to as the ozone hole.
Answer:
1.co2 production in large amount
due to use of vehicle
coal and petroleum use
gas from industries
2.the breakdown of the ozone.
ozone is formed by help of o3.
the break down of this molecule leads to ozone depletion. ozone depletion leads to global warming.
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5.by reducing use of coal, petroleum, vehicle,etc.
6.form in layers of minerals that deposit to give sedimentary rock.
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9.plantation
afforestation
cultivation
no use of inorganic salts in fields
10.humidity
temperature
aridity
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12.production in large amount....