Mathematics and Society - OS X Lion Server

Page Number216 (1) .84 (2) 153 million (3) 13,975,000,000California have severe air pollution problems.for each kind of pollutant.(4) Some areas of(5) They were higher223 (3) 7,525,000,000 {full loads of clothing(5) 43,000,000,000, {;(4) Not letting water run needlessly,only, taking quick showers...86,000,000,000 {washing224 (2) 31200 {(7) 3600 {(3) 40000 { (4) 4000 {lear (5) 80 { (6) 200 {(8) Large amounts of water are required to make steel.226 (1) 48 (2) Water from rainfall and streams which flow into the oceansand seas replace the evaporated water.227 (1) Gulf (2) Northeast; Gulf; Missouri; Columbia (3) Southeast;Columbia (4) Ohio (83%); Great Lakes (41%); Southeast (38%); California(30%); Columbia (19%); Gulf (17.95%); Northeast (17.92%), MiddleAtlantic (17.6%); Missouri (17%)228 (4a) 37,900,000229 (1) alewife, whitefish231 (4) 4.3 (5) $781.42; about $3330 (6) 685,000 ha; $535,272,700(7) 310,000,000; much of it is exported232 (1) true (2) true (3) false (4) true234 (la) 912.5 kg (6) open dumping; It is the cheapest and easiest method.235 (1) increased (2) true (3) about 33% (4) .44¢No, we don't know how many cans were made in 1970.(5) 3.3;238 (1) 5000 (2) 90,000 ha (3) 2,880,000 ton (4) 1700 times asmuch per hectare (5) strip farming, contour plowing, keeping plantcover on the land. Students can stay on trails in parks, fill in erosioncausedditches, avoid wearing out the grass in play areas...241 (1) 93 (2) 94% in 1970 to 71% in 2000 (3) no. Energy use is expectedto increase so much that the lower percentage will still mean moreenergy. (4) 286 (6) fossil fuels243 (1) 549; 269 (5) 195,000,000,000,000463