Geography

Replies / Views	Last post
_______________ is an informal term that encompasses all geologic time from 4.6 to 4.0 billion years ... Started by kshipps	1 Replies 83 Views	Jul 13, 2018 by TINA
____is a measure of how much water a material can hold, and ___ measures how easily the material ... Started by Garrulous	1 Replies 68 Views	Jul 13, 2018 by joanwhite
Fissure eruptions result in shield volcanoes. Indicate whether the statement is true or ... Started by LCritchfi	1 Replies 100 Views	Jul 13, 2018 by yeungji
Between 1.3 and 1.0 billion years ago, the Grenville orogeny occurred in the supercontinent ... Started by LaDunn	1 Replies 90 Views	Jul 13, 2018 by Kedrick2014
Which of the following is most permeable? A)sand B)soil C)gravel D)silt ... Started by rayancarla1	1 Replies 171 Views	Jul 13, 2018 by nital
Harmonic tremor indicates that magma is moving beneath a volcano. Indicate whether the statement is ... Started by jilianpiloj	1 Replies 81 Views	Jul 13, 2018 by ebonylittles
The assemblage of sandstone-carbonate-shale is probably indicative of ____________________ (in ... Started by bobthebuilder	3 Replies 84 Views	Jul 13, 2018 by Perkypinki
The most effective aquifer is likely to ____. A)be composed of metamorphic rock B)be composed of ... Started by naturalchemist	1 Replies 81 Views	Jul 13, 2018 by InfiniteSteez
An extinct volcano ____. A)existed during a past geological period and cannot be detected by humans ... Started by Metfan725	1 Replies 101 Views	Jul 13, 2018 by pikon
Continental growth during the Early Proterozoic development of Laurentia was related to ... Started by audragclark	1 Replies 140 Views	Jul 13, 2018 by ju
The zone of aeration contains ____. A)air only in pore spaces B)air and water in pore spaces C)water ... Started by Bob-Dole	1 Replies 87 Views	Jul 13, 2018 by cloudre37
The relatively small eruptions of the Icelandic volcano Eyjafjallajokull in 2010 caused major ... Started by Sufayan.ah	1 Replies 177 Views	Jul 13, 2018 by Kedrick2014
Early organisms played a role in the accumulation of free oxygen through the process of ... Started by cabate	1 Replies 118 Views	Jul 13, 2018 by medine
Groundwater moves ____. A)only when experiencing recharge B)in ways that are unpredictable C)only in ... Started by karlynnae	1 Replies 78 Views	Jul 13, 2018 by mjbamaung
Columnar jointing in lava flows occurs due to ____. A)pyroclastic welding B)basaltic crystal ... Started by Charlie	3 Replies 97 Views	Jul 13, 2018 by diesoon
What are the two major rock types that characterize Archean shield ... Started by burton19126	1 Replies 74 Views	Jul 13, 2018 by Jayson
Artesian-pressure surfaces slope because ____. A)of friction B)of gravity C)the aquifer slopes D)of ... Started by codyclark	1 Replies 55 Views	Jul 13, 2018 by tjayeee
Some lava flows show a pattern of columns bounded by fractures. These columns are usually ... Started by P68T	1 Replies 88 Views	Jul 13, 2018 by ryrychapman11
What is the first supercontinent recognized with some certainty, and when did it begin ... Started by DyllonKazuo	1 Replies 46 Views	Jul 13, 2018 by jsm54321
Artesian wells flow freely when the ____. A)wellhead is below the zone of aeration B)wellhead is ... Started by lracut11	1 Replies 60 Views	Jul 13, 2018 by mohan
Volcanic bombs have a twisted, streamlined shape, which indicates that they ____. A)cooled quickly ... Started by ericka1	1 Replies 89 Views	Jul 13, 2018 by lolol
What are heterotrophic organisms?[br][br][b][color=#FBB117]Question 2[/color][/b][br][br]Which ... Started by savannahhooper	1 Replies 90 Views	Jul 13, 2018 by ally
What conditions are needed for the development of karst topography? A)humid climate B)arid climate ... Started by leo leo	3 Replies 175 Views	Jul 13, 2018 by nhea
Calderas are formed when ____. A)low-viscosity magma flows out into very large areas and cools ... Started by Diane	1 Replies 73 Views	Jul 13, 2018 by tashiedavis420
Why are ultramafic volcanics rare in rocks that are much younger than Archean in ... Started by jasdeep_brar	1 Replies 70 Views	Jul 13, 2018 by leeeep