Answer:
stratosphere
Most ozone (about 90%) is found in the stratosphere, which begins about 10–16 kilometers (6–10 miles) above Earth's surface and extends up to about 50 kilo- meters (31 miles) altitude. The stratospheric region with the highest ozone concentration is commonly known as the “ozone layer” (see Figure Q1-2).
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Answer:
9,240
Explanation:
This company makes 840 notebooks in 1 day. 840 x 11 = 9,240
Answer:
The form ax2+bx+c=0 a x 2 + b x + c = 0 is called the standard form of the quadratic equation. Notice that standard form is not unique. For example, x2−x+1=0 x 2 − x + 1 = 0 can be written as the equivalent equation −x2+x−1=0 − x 2 + x − 1 = 0
Explanation:
Does this help
Answer:
Image result for how we can calculate the ratio of area of a country to area of inscribed circle
Required ration=πr2:2r2=π:2.
Explanation:
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Answer:
The use of fertilizers
Explanation:
Eutrophication simply implies the increase in nutrient or nutrient enrichment.
Commonly, waterways are connected to other water bodies. When water from farmlands washes fertilizers into them, there is an increase the available nutrient. Overtime, the water can be oversaturated with nutrients and this would lead to eutrophication. We can attribute eutrophication to human activities.
