Geography

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The half-life of a radioactive isotope does not vary. Indicate whether the statement is true or ... Started by tth	1 Replies 82 Views	Jul 14, 2018 by firehawk60
A stream which receives water flowing from the surrounding aquifer is known as iffluent, whereas a ... Started by armygirl	1 Replies 89 Views	Jul 14, 2018 by Danny Ewald
Ground water pollution that our generation creates will persist far into the future (decades to ... Started by newbem	1 Replies 66 Views	Jul 14, 2018 by makaylafy
The core comprises 1/3rd of Earth's mass, but only 1/6th of its volume. Indicate whether the ... Started by rl	1 Replies 76 Views	Jul 14, 2018 by potomatos
The Moho separates the uppermost mantle from the crust. Indicate whether the statement is true or ... Started by corkyiscool3328	1 Replies 89 Views	Jul 14, 2018 by AngeliqueG
The High Plains aquifer irrigates about one-fifth of all U.S. cropland. Indicate whether the ... Started by Tirant22	1 Replies 96 Views	Jul 14, 2018 by zenzy
The water table in the High Plains aquifer has dropped more than 30m (100 ft) in the last five ... Started by ashley	1 Replies 83 Views	Jul 14, 2018 by meganmoser117
The lithosphere lies above the asthenosphere. Indicate whether the statement is true or ... Started by Deast7027	3 Replies 101 Views	Jul 14, 2018 by lgoldst9
Nonconsumptive water use involves the return of water to its source after use. Indicate whether ... Started by hubes95	1 Replies 69 Views	Jul 14, 2018 by bigsis44
The crust is thickest under mountains and thinnest under the oceans. Indicate whether the ... Started by mynx	1 Replies 122 Views	Jul 14, 2018 by Viet Thy
Center pivot agriculture which pumps water from an aquifer is an example of instream water use. ... Started by saliriagwu	1 Replies 172 Views	Jul 14, 2018 by snackralk
Roughly 95 of Earth's crust is made up of silicates. Indicate whether the statement is true or ... Started by amal	1 Replies 114 Views	Jul 14, 2018 by 31809pancho
An intrusive igneous rock has finer crystal grains than an extrusive igneous rock. Indicate ... Started by ereecah	1 Replies 149 Views	Jul 14, 2018 by sarahccccc
Contact metamorphism involves changes in the texture and mineralogy of a rock caused by the extreme ... Started by futuristic	1 Replies 108 Views	Jul 14, 2018 by Brenm
The arrangement of continents is permanent with only minor changes wrought by crustal movement ... Started by newbem	1 Replies 104 Views	Jul 14, 2018 by ynlevi
Rock assemblages from the east coast in South America and west coast of Africa provide supporting ... Started by khang	3 Replies 268 Views	Jul 14, 2018 by bfulkerson77
Evidence of reversals in Earth's magnetic field is found along areas of seafloor spreading. ... Started by jayhills49	1 Replies 146 Views	Jul 14, 2018 by lindahyatt42
Convergent plate boundaries occur in areas of seafloor spreading. Indicate whether the statement ... Started by Mr. Wonderful	1 Replies 117 Views	Jul 14, 2018 by zhanghao
The geologic cycle is powered both by exogenic and endogenic energy systems. Indicate whether the ... Started by Melani1276	1 Replies 119 Views	Jul 14, 2018 by DHRUVSHAH
Present the main assumptions of uniformitarianism. What will be an ideal ... Started by viki	1 Replies 96 Views	Jul 14, 2018 by Cnarkel
Describe the three basic rock types, how each are formed, and subcategories of each. What will be ... Started by jjjetplane	1 Replies 61 Views	Jul 14, 2018 by Amiracle
What are some examples of anthropogenic endogenic and exogenic processes in the geologic cycle. ... Started by Medesa	1 Replies 97 Views	Jul 14, 2018 by Pariscourtney
The average elevation of the depth of the oceans is A) 875 m (2870 ft.). B) -2070 m (-6790 ft.). ... Started by eruditmonkey@yahoo.com	1 Replies 85 Views	Jul 14, 2018 by tdewitt
The vertical relief of Earth (highest point to lowest point) is approximately A) 5 km (3.1 mi). ... Started by urbanoutfitters	3 Replies 169 Views	Jul 14, 2018 by reversalruiz
A topographic region that is characterized by local relief of more than 600 m (2,000 ft) is a A) ... Started by karlynnae	1 Replies 104 Views	Jul 14, 2018 by jessofishing