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\author{AGKujur (agkujur)}
\pdfinfo{
  /Title (evs-lesson-1-introduction.pdf)
  /Creator (Cheatography)
  /Author (AGKujur (agkujur))
  /Subject (EVS ||Lesson 1: INTRODUCTION Cheat Sheet)
}

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    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{EVS ||Lesson 1: INTRODUCTION Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{AGKujur (agkujur)} via \textcolor{DarkBackground}{\uline{cheatography.com/158452/cs/33446/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}AGKujur (agkujur) \\
  \uline{cheatography.com/agkujur} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 29th July, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
  www.readability-score.com
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Components of Envrionment}}  \tn
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\mymulticolumn{2}{x{5.377cm}}{4 Major Components} \tn 
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Lithosphere & Litho = Rock \tn 
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Hydrosphere & Hydro = Water \tn 
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Atmosphere & Atmo = Air \tn 
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Biosphere & Bio = Life \tn 
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\mymulticolumn{2}{x{5.377cm}}{The planet Earth is categorised into different spheres which represent solid {[}rock/soil{]}, liquid {[}water{]}, and gaseous {[}air{]} phases. The overlapping zone of the three spheres is called the biosphere, where life can exist.}  \tn 
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Atmosphere: (Greek: Atmos means vapor)}}  \tn
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✦gaseous mixture which envelops the planet earth is called atmosphere & ✦Content of water vapor, density of the air mass and atmospheric pressure decreases rapidly with the increase in altitude \tn 
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\mymulticolumn{2}{x{5.377cm}}{{\bf{Composition of dry air}}} \tn 
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{\emph{Component}} & {\emph{Volume \%}} \tn 
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Nitrogen & 78\% \tn 
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Oxygen & 20\% \tn 
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Argon & 0.9\% \tn 
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CO2 & 0.04\% \tn 
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Gases in Traces & Remaining \tn 
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\mymulticolumn{1}{x{5.377cm}}{The rate of change of temperature with the altitude is called lapse rate. The atmosphere has \newline been stratified into major four layers where temperature decreases (negative lapse rate) or \newline increases (positive lapse rate).}  \tn 
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{{\bf{Environmental Education}}}}  \tn
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Lithosphere: (Greek: Lithos means rock)}}  \tn
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\mymulticolumn{2}{x{5.377cm}}{✦Lithosphere is the outermost layer of the crust which represents the land mass of the planet.} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦consists of rocks, soil, sediments and minerals.} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦geological structures or landforms like high mountains, plateau, deep valleys and sea beds make the surface of lithosphere uneven} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦geological processes like weathering \& erosion, volcanic eruptions, biogeochemical cycles take place at the lithosphere} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦Different terrestrial ecosystems like forests, grasslands, deserts etc. are found on the lithosphere} \tn 
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\mymulticolumn{1}{x{5.377cm}}{Earths structure can be stratified into  \newline -Outer Crust \newline -Middle Mantle \newline -Inner Core}  \tn 
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\mymulticolumn{4}{x{5.377cm}}{rate of change of temperature with the altitude is called lapse rate} \tn 
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\seqsplit{✦Troposphere} & upper layer is called tropopause &  &  \tn 
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\seqsplit{✦Stratosphere} & Ozone layerin this region absorbs harmful UV radiation, particularly UV-B radiation because of which life is possible on earth's surface &  &  \tn 
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\seqsplit{✦Mesosphere} & Density of air is very low and important chemical species found in this region are O2 + and NO+ &  &  \tn 
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\seqsplit{✦Thermosphere} & ionic oxygen atoms and other ions in this layer absorb short wave solar radiation which increases the temperature in this layer &  &  \tn 
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Hydrosphere: (Greek: Hydor means water)}}  \tn
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\mymulticolumn{2}{x{5.377cm}}{✦represents water masses in solid (ice cover, glaciers etc.), liquid (water bodies) and gaseous (water vapors) phases} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦covers almost three-fourth of the total surface area of the earth.} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦is an integral part of the water cycle and plays a crucial role in maintaining normal climatic, meteorological, physical, chemical and biological functions on the planet} \tn 
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\mymulticolumn{2}{x{5.377cm}}{✦Oceans and seas are the largest sink of carbon in the environment.} \tn 
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\mymulticolumn{2}{x{5.377cm}}{Total water \newline 97\% Salt Water + 3\% Fresh Water \newline  \newline Total Fresh water = 2\% Ice Caps + 1\% Surface and Ground Water}  \tn 
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Biosphere:(Greek: Bios means life)}}  \tn
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\mymulticolumn{2}{x{5.377cm}}{✦self-regulating overlapping region of atmosphere, lithosphere and hydrosphere} \tn 
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✦the environment where life sustainably exists, nourished and flourished by the healthy interaction between biotic and abiotic components & ✦biotic (autotrophs and heterotrophs) \tn 
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 & ✦abiotic components (air, water, sunlight, soil, rock etc.) \tn 
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% That's all folks
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