particulates, biological materials, or other harmful materials into Earth's atmosphere, possibly causing disease, death to humans, damage to other living organisms such as food crops, or to the natural or built environment. The atmosphere is a complex natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems. Indoor air pollution (see Airlog) and urban
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1. The most important factor responsible for the Earths four seasons is that the Earth rotates around the sun tilted on its axis at a 23.5˚ angle. The axis is always tilted in the same direction which means that for half the year the Northern Hemisphere is pointed more toward the sun and for half the year the Southern Hemisphere is pointed more toward the sun, giving us our seasons. The hemisphere that is facing more directly toward the sun has more direct sunlight and less beam spreading, which
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English Oral Topic: Big Bang Theory What is the big bang theory? The big bang theory is how some people think the universe came to be after a sudden burst, at about 14 billion years ago. At that time, the entire Universe was inside a bubble that was thousands of times smaller than a pinhead. It was really hot and dense. It was contained of different matters clustered together. Then it suddenly exploded. The Universe that we know was born. What has the big bang granted us? Time, space
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TRIED AND TRUE Earth’s reflection: Albedo by Brandon Gillette and Cheri Hamilton H ave you ever walked outside on a sunny winter morning to look at the freshly fallen snow? If so, I hope you had your sunglasses on! When viewing objects of different colors, you might notice that some appear brighter than others. This is because light is reflected differently from various surfaces, depending on their physical properties. Different surfaces of Earth also reflect light in different ways
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Worksheet 8 A biological community of interacting organisms and their physical environment. Biotic- world of living organisms, can regenerate,renew themselves. Abiotic- world of non-living element , cannot regenerate,renew themselves. The difference of heterotrophs and autotrophs is that the autotrophs can make their own food while heterotrophs consume their food. Heterotrophs can be herbivorous, omnivorous, or carnivorous. A niche is really every aspect of a species. Its place
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Solutions for Global Warming Prevention 06 2.3 Our Role in Global Warming 07 3.0 Conclusion 08 Reference 09 1.0 Introduction Global Warming Global warming refers to the documented historical warming of the Earth's surface based upon worldwide temperature records that have been maintained by humans since the 1880s. It is often used synonymously with the term climate change, but the two terms have distinct meanings. Global warming is the combined result of anthropogenic
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in the winter. The earth's atmosphere is all around us. It is the air that we breathe. Greenhouse gases in the atmosphere behave much like the glass panes in a greenhouse. Sunlight enters the earth's atmosphere, passing through the blanket of greenhouse gases. The greenhouse effect works in the following manner (i) Energy from the sun passes though the earth's atmosphere in the form of visible light (sun light). (ii) Some of the sun's energy turns to heat and warms the earth's air and land. (iii)
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man-made chemicals used in farming * heavy metals * waste from factories * sediment from the river bed * air pollution * thermal (heat) pollution * soil pollution from rubbish dumps Effects of water pollution: The water in the earth’s biosphere is used and reused again and again by all living things Soil Causes of soil pollution: * farming * mining and quarrying * household waste * demolition and putting up buildings * factory waste Effects of soil pollution:
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After examining what global warming is, I have realized that human activities have a large impact on how the earth’s surface temperature is due to the greenhouse effect. I also have realized the impact that global warming can have on the earth. We as human’s need to do what we can to lower our contributions to the global warming before it is too late. Global warming is the increase of earth’s average surface temperature due to the effect of greenhouse gases, such as carbon dioxide emissions from burning
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the hydrologic cycle is an amazing system that God has put in place to maintain the of the earth’s most important resource, water. There is nothing on earth that does not require water to survive in some way or fashion and without it there would be no life on earth. You will find water “in the oceans, glaciers, rivers, lakes, air, soil, and living tissue,” and all of these “reservoirs” makes up the Earth’s hydrosphere. As you study this natural system you cannot help but see the hand of a powerful
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