percentage of the biomass on this planet accounts for microbes? 90% of earth’s living mass. 5. Define the four spheres of the earth. The atmosphere is the thin membrane of air around the planet. The troposphere is the air layer about 11 miles above sea level. The stratosphere lies above the troposphere between 11-30 miles; it filters out the sun’s harmful radiation. The hydrosphere consists of earth’s water‚ found in liquid water‚ ice‚ and water vapor. The lithosphere is the crust and upper mantle
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temperatures. Air temperature‚ however‚ is a measure of the kinetic energy of air molecules‚ not of the total energy stored by the air. Therefore‚ since the air is so thin within the thermosphere‚ such temperature values are not comparable to those of the troposphere or stratosphere. Although the measured temperature is very hot‚ the thermosphere would actually feel very cold to us because the total energy of only a few air molecules residing there would not be enough to transfer any appreciable heat to our
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The Classification of Clouds The scientific study of clouds began in 1803 when Luke Howard‚ a British pharmacist and amateur meteorologist‚ introduced the first system for classifying clouds. Although many other procedures for cloud classification have been devised over the years‚ Howard’s system is so simple and effective that it is still in use today. It is based on the shape‚ distribution‚ and altitude of clouds. He identified ten different categories‚ but they are all variations of three
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ENVIRONMENTAL MANAGEMENT ASSIGNMENT - 1 1) Relevance of Environmental Management course in Management curriculum. Environmental management course is very much required in the B-school curriculum. Environmental management can be so important because our environment gives a part of what we are whether our culture are dirty people or clean‚ it is also nice to live in a nice‚ clean place which is not polluted. It is also important to get people live in that place if a certain city‚ country
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Air Pollution 20.000 liters of air is what we breathe on a daily basis. Air is something most people take for granted‚ you don’t see it around you and breathing goes automatically. But every time we inhale we risk inhaling dangerous chemicals which found their way in our air. Air pollution is the presence of dangerous chemicals in the air that we breathe. It is a change in the air which influences humans health and organism on the planet. Many think that `gases’’ pollute the air‚ those gases
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OZONE LAYER The Earth ’s ozone layer protects all life from the sun ’s harmful radiation‚ but human activities have damaged this shield. Less protection from ultraviolet light will‚ over time‚ lead to higher skin cancer and cataract rates and crop damage. The ozone layer is one layer of the stratosphere‚ the second layer of the Earth’s atmosphere. The stratosphere is the mass of protective gases clinging to our planet. Ozone is only a trace gas in the atmosphere only about 3 molecules for every
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appearance confirms that the planet’s atmosphere is composed almost solely of one element‚ methane gas. There is a preponderance of haze‚ composed of ethane and other hydrocarbon ices high in the stratosphere‚ and clouds of methane ice low in the troposphere. The cloud particles constantly recycle themselves‚ first creating then destroying the heaviest crystals. This is an indication that Uranus’ atmosphere is still evolving from its formation out of the solar nebula. Because Uranus lies on its side
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A congress that allows the President to permit the public to kill hibernating bears and wintering wolves are ignorant and vile people. Truly. I really wanted to make these letters respectful but‚ this is out of control… Literally. What is it going to take to get politicians to take the natural environment (which even you live in) seriously? Mass extinction? That’s what you’re asking for with this! Undrinkable surface and ground waters? We already have hundreds of thousands of impaired waterways throughout
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Renowned people of today such as esteemed scientists and author Rachel Carson‚ Canadian scientist David Suzuki and other experts concern themselves with the issue of environmental sustainability. The relationship between the environment and society is unbalanced nearly to the point of no return because of such a large human population and an economy driven world that is globalizing. The sustainability of the environment is a major concern of the 21st century especially since technology has advanced
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4 Group members:- UMMA-E-FARWA (34) ADEEB DANISH (20) MUHAMAD SHEHZAD (33) Content • Abiotic stress • Abiotic stress conditions • Drought • Salinity • High temperature • Chilling • Flooding • Troposphere ozone • Oxidative damage • Defense mechanism Plant biology with respect to Abiotic stresses to environment ABIOTIC STRESS:- Abiotic stress is defines as the negative impact of non-living factors on the living organisms
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