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Using Earth's resources, LCAs and recycling GapFill

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As the population increases and industrial development occurs, the use of Earth's resources becomes less  time-consumingimportantcostlywidespreadchallengingsustainable, and more  renewablefiniteeco-friendlysynthetictraditionalnatural resources are being used up to provide energy and materials.

Water, one of the world's most important resources, often needs to be treated before it is safe to drink, or  salinepotablepuretransparentalkalineoxygenated. This is done by passing the water through  buffersmembranesfertilisersfilter bedsreservoirscoolant tanks and  screeningdesalinatingsterilisingflushingfilteringneutralising it using agents such as chlorine or ozone. If the water is not fresh, it may also require  bioleachingsettlingconvectiondesalinationinfusionneutralisation, either by distillation or using reverse  diffusionpressureosmosisactive transporttitrationtranspiration, but both of these processes require a lot of  spacechemicalsmonitoringenergyheattime. Waste water also needs treating to remove organic matter, chemicals and  saltssandmicrobesplanktonhydrogen ionshydroxide ions.

 Life pattern evaluationsLifestyle assessmentsLife cycle assessmentsLifespan evaluationsLifespan examinationsLife succession ratings can be used to judge the  academicglobalsocialpositiveenvironmentalfinancial impacts of products throughout their lifespan. They focus on several stages, starting from the extraction of raw materials, and ending with the product's  pricemanufacturingdisposalretail successsalesafety. As a community, people can use resources more responsibly by reusing or  recyclingdumpingresellingcrushingdisposing ofburning them.

This is your 1st attempt! You get 3 marks for each one you get right. Good luck!

Pass Mark
70%