3 mesosphere the rest of the mantle 4 outer core 5

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3. Mesosphere. The rest of the mantle. 4. Outer Core. 5. Inner Core. 27) What is e waste? Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for reuse, resale, salvage, recycling, or disposal are also considered e-waste. 28) What type of pollution is made with mining? Types of Water Pollution from Mining. ... Metals are leached out and carried downstream as water washes over the rock surface. Although metals can become mobile in neutral pH conditions, leaching is particularly accelerated in the low pH conditions such as are created by Acid Mine Drainage. 29) What are plate tectonic and why are they important?
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Plates cover the entire Earth, and their boundaries play an important role in geologic happenings. The movement of these plates atop a thick, fluid "mantle" is known as plate tectonics and is the source of earthquakes and volcanoes. Plates crash together to make mountains, such as the Himalayas. 30) What are the different types of rocks? The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment. 31) What is the difference between neurotoxins, carcinogens, allergens and teratogens? neurotoxins - attack the nervous system carcinogens - cause cancer allergens - cause allergic reaction teratogens - hurts unborn child 32) What are radon, asbestos, Bisphenol A, DDT, DDE and PCB? Radon gas - A naturally occurring substance that is potentially toxic to people. Asbestos – Indoor chemical hazard. Bisphenol A – an estrogen mimic that is used in plastic manufacturing
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DDT – I nsecticide used to kill mosquitoes; banned in the United States in 1973 due to its toxicity DDE – PCB – is a continuing problem because PCBs are nonbiodegradable and persist in the environment 33) What is risk and the Precautionary Principle? These difficulties stem from the nature of risk and the complexity of situations where the precautionary principle is applied: collective and unproven risks, uncertainty context, potential consequences in multiple dimensions and values, sometimes conflicting, and solutions to adapt to each particular case. The principle that the introduction of a new product or process whose ultimate effects are disputed or unknown should be resisted. It has mainly been used to prohibit the importation of genetically modified organisms and food. What changes the effect of toxicants on people 34) What changes the effect of toxicants on people? 35) How can a disease be transmitted?
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