Environmental Studies

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In the United States, the use of hydropower A) is likely to double in the next 20 years. B) is ... Started by ec501234	1 Replies 84 Views	Jul 16, 2018 by stano32
Unlike large solar collection fields and dams, wind farms A) keep the surrounding land available ... Started by clmills979	1 Replies 53 Views	Jul 16, 2018 by juliaf
Given that winds are inconsistent, the best place to position new wind turbines would be A) along ... Started by maegan_martin	1 Replies 67 Views	Jul 16, 2018 by livaneabi
Introduced alien species that cause the most harm are those that A) struggle to fit into new ... Started by rl	1 Replies 32 Views	Jul 16, 2018 by TINA
The use of biomass energy is illustrated by burning A) coal to produce electricity. B) natural ... Started by ahriuashd	1 Replies 91 Views	Jul 16, 2018 by asdfasdf
Atlantic ctenophores in the Sea of Azov and the kudzu vine overgrowing a forest in southern Alabama ... Started by jhjkgdfhk	3 Replies 244 Views	Jul 16, 2018 by Jevvish
Controlling the Spotted Knapweed reveals A) the complex set of relationships in ecosystems can ... Started by jerry coleman	1 Replies 87 Views	Jul 16, 2018 by amy.lauersdorf90
The introduction of invasive North American ctenophores into the Black Sea and the Sea of Azov has ... Started by Engineer	1 Replies 76 Views	Jul 16, 2018 by Jbrasil
Which of the following are used by individual farmers to generate biogas for their own use? A) ... Started by haleyc112	1 Replies 65 Views	Jul 16, 2018 by Pswine
Over the past two decades, the harvesting of fuelwood has A) increased and is causing a worsening ... Started by nmorano1	1 Replies 137 Views	Jul 16, 2018 by nekcihc358
Which of the following would inhibit the production of biogas in a fermentation chamber commonly ... Started by rlane42	1 Replies 111 Views	Jul 16, 2018 by ebenov
A tank filled with manure, water and unused crop plant residues but which minimizes oxygen content ... Started by piesebel	1 Replies 151 Views	Jul 16, 2018 by fdliggud
Currently, the main benefit of using corn-based ethanol in the United States is A) a significant ... Started by magmichele12	1 Replies 62 Views	Jul 16, 2018 by kishoreddi
Which of the following about food chains and food webs is true? A) Food chains consist of many ... Started by stock	3 Replies 131 Views	Jul 16, 2018 by annierak
When corn is used to produce ethanol for fuel, the process also generates A) proteins and ... Started by ts19998	1 Replies 76 Views	Jul 16, 2018 by yeungji
A large oak tree with its abundant leaves glimmering in the sun on an early fall morning represents ... Started by dejastew	1 Replies 81 Views	Jul 16, 2018 by fur
Bison grazing on grasses growing in a meadow represent A) a consumer eating a producer. B) a ... Started by Coya19@aol.com	1 Replies 67 Views	Jul 16, 2018 by rleezy04
Miscanthus is a hardy perennial grass that can be grown just to produce ethanol to replace some of ... Started by crobinson2013	1 Replies 57 Views	Jul 16, 2018 by carojassy25
Dung beetles feeding on the waste of cattle grazing on hay in a field represent A) a ... Started by danielfitts88	1 Replies 91 Views	Jul 16, 2018 by alvinum
________ play a crucial role in returning nutrients essential for plant growth directly to the soil. ... Started by WWatsford	1 Replies 246 Views	Jul 16, 2018 by LP
Biodiesel is often produced using A) any type of cellulosic feedstock. B) corn-based ethanol. ... Started by Metfan725	1 Replies 168 Views	Jul 16, 2018 by macagn
In hydrothermal vent communities, A) there is no photosynthesis, but heat drives chemosynthetic ... Started by sam.t96	3 Replies 189 Views	Jul 16, 2018 by kjohnson
In our natural atmosphere, A) there is very little hydrogen in any form. B) hydrogen is most ... Started by lilldybug07	1 Replies 82 Views	Jul 16, 2018 by bulacsom
The production of hydrogen to power cars in the United States requires A) nearly a million ... Started by iveyjurea	1 Replies 67 Views	Jul 16, 2018 by T4T
Hydrogen in fuel cells powers automobiles by A) generating electricity. B) creating rapidly ... Started by jwb375	1 Replies 54 Views	Jul 16, 2018 by Ddddd