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;0 +L>FCollege of Engineering, Architecture, Fine A*s and Computlng SciencesMechanlcal Englneerlng Department

preliminary ExaminationME 354- Environmental Engineering

l. ldentificationnvr rO nvnON'lu.f fn(traelf'vq. f[,. appticatlon of sclence and englneerlng prlnclples to lmprove the ntturJ envlronment. lt lnvolves waste water managemcnt and alr pollutlon controrecycllng, waste dlsposal, radlatlon protectlon, lndustrlal hyglene, envlronmensustalnablllty, and public health lssues.2.' Results in the loss of valued ecosystem servlces, including flood control, water qualitalr quallty, flsh and wlldllfe dlversity, and recreatlon.3. an ecoregion, in the montane grasslands and shrub lands and temperete grasslandsavannas, and scrublands biomes, characterized by grassland plains wlthout trees epe

Er:ssysr111 ?,,)Lu1l u fri*ii{i',,;1r,,Lfliff1"*:#j:.;lc components or ecosvstems and theAb;otic 7, physical and chemical factors of an ecosystem as light, temperature, atmosphegases(nltrogen, oxygen, carbon dioxide are the most lmponant), water, wlnd, soll. Thespecific abiotic factors represent the geological, geographlcal, hydrological aclimatological features of a particular ecosystem.Af tllW 1r-1mglcf. regarded ecosysterns not simply as naturalunits, but as mentalisolates.Su-n ' 9. the original source of almost all energy in an ecosystem.,(*A!,AS* 10. Organisms that can take energy from inorganic sources and fix it into energy rich organmolecules

A_r,tlOlvO |hS 11. Organisms that require fixed energy found in organic molecules for their survivalTUnO{ra 12. a biome where the tree growth is hindered by low temperatures and short growiseasons.EcnbgV 13.'scientific study of the interrelationships of plants, animals, and the environment; usefuin many aspects of the related fields of conservation, wildlife management, forestry,agriculture, and pollution control.14. ihaped by a Mediterranean climate (mitd, wet winters and hot dry summers) awildfire, having summer drought-tolerant plants with hard sclerophyllous evergreeleaves, as contrasted with the associated soft leaved, drought deciduous, scr\r/autr,r ttunolcwatt' ;#ffi:,il,;f"'?ff'.:11:::f#T:;;::;,.li:1::ffiffi'i:,ileanoer,cientmanagement of water resources for beneficial purposes.Protir\L 6. coniidered part of the temperate grasslands, savannas, and shrub lands biorne

Republic of the PhillppinesBATANGAS STATE UNIVERSITY

Alangilan, Batangas City

,..*yrqvpriilrJi,

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Lnrirrrytnn enta.\vtr7\aeevivtl II3z use math and science to address envlronmentalchallenges such as hazardous waste andI pollutlon. They also study the lmpact on the envlronmcnt of proposad conrtructlonE',aloXy r:',J?"fftostcat disciptine which studies the adaptatlon of organlsms to environmental

tofwaterwithintheEarthandltsatmosphere.v SM0el4t!'t,ll'l 26:'The total runoff confined in the stream channelsVadobL 27..Wlter thai is in the zone of aeration where alr exlstsD

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gsbsy seel6 b exPlaln:iTe'ff.f,+t,1,"4@nlW"W;;i' oF-. 1^;+UiA( -il d ""tuqY'*!avo' t'w1hAA/ntbvn'*Invo trul cui, roqwltanPlants -_>Animals '-)

Soll, Organlc--4Matter AnimalsSoil, OrganlcMatter

Use \dme, Lose Some

heaL which cannot do work. The amount of energy lost ls as often a{ ilgf(as 34 - "r*of thelnvolved.lf 1, 500, 000 unit/of solar energy were to reach the earth.1. Hovi mar{V percent would be available for plants to use?

2. How many units will be used as heat?-3. lf an animaifeed on the plant, how much energy woritd

' -'- X"'-' ;ilil'r,roiif\,.rgy output actually reaches the Earth. of all tha energy thadr"t *r.6Effiightly less tfpn lr,l Percent is reflected back to space by clouds.ThegovertTlngtawlnanenerg{flowh{anecosyste. ltth" ::: :,! r,, :.=During the change of energy tro\mltl'gh quallty to low quality, some of the ewd,Etf9r6*\t{form.of