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Environment

Kristin Wright

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Across
1.The ratio between the useful output of an energy conversion machine & the input, in energy terms. (2 Words)
7.A unit of energy equal to the work done by a power of 1000 watts operating for one hour. (2 Words)
9.Goods & services, laws, guidelines & policies that inflict reduced harm, or no harm at all to ecosystems or the environment. (2 Words)
12.Adapting for use in a different purpose.
16.Solar cell: A cell that converts solar energy into electrical energy. (2 Words)
18.Make less in amount.
19.Wind generation: power derived from the wind. (2 Words)
Down
2.Pollution affecting a body of water from diffuse sources. (3 Words)
3.Energy derived from the heat in the interior of the Earth. (2 Words)
4.A single, identifiable, localized source of pollution. (3 Words)
5.A natural resource which cannot be produced, grown, generated, or used on a scale which it can sustain its consumption rate. (2 Words)
6.The process of converting waste material into new materials of better quality or for better environmental value.
8.Convert waste into reusable material.
10.Power obtained by harnessing the energy of the sun's rays (2 Words)
11.A process by which thermal radiation from a planetary surface is absorbed by greenhouse gases and is re-radiated in all directions/ (2 Words)
13.Energy which comes from natural resources such as sunlight, wind, rain and geothermal heat. (2 Words)
14.The practice of placing windows or other openings & reflective surfaces so that during the day, natural lighting provides effective internal lighting.
15.Capable of being decomposed by bacteria or other living organisms.
17.Compact fluorescent bulbs-uses 90% of energy for light and only wastes 10%
18.Using more than once.

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