Geography

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As far as length of time back into the past that it is useful for estimating climate, this method ... Started by KimWrice	1 Replies 182 Views	Jul 13, 2018 by Shshxj
So far, tree rings have yielded the best information about past A) temperature. B) amounts of ... Started by luvbio	1 Replies 155 Views	Jul 13, 2018 by dlook33
Glaciers A) grow when ice and snow accumulation exceeds melting. B) can, in some instances, move ... Started by j.rubin	1 Replies 50 Views	Jul 13, 2018 by yasmina
The key clue that ancient volcanic eruptions leave for climatologists is A) mass extinctions across ... Started by beccaep	1 Replies 63 Views	Jul 13, 2018 by Carliemb17
The extinction of the dinosaurs was likely caused by A) a massive volcanic eruption. B) an ... Started by EY67	3 Replies 155 Views	Jul 13, 2018 by Carliemb17
The Maunder Minimum A) occurred during the Little Ice Age. B) saw high levels of sunspots. C) ... Started by cartlidgeashley	1 Replies 63 Views	Jul 13, 2018 by CAPTAINAMERICA
Milankovitch cycles include Earth's A) obliquity. B) orbital eccentricity. C) precession. D) ... Started by Lobcity	1 Replies 90 Views	Jul 13, 2018 by kaylee05
Earth's precession A) means that Polaris is always the North Star. B) is responsible for changes ... Started by JMatthes	1 Replies 63 Views	Jul 13, 2018 by bd5255
Pangaea A) was centered in the tropics. B) began to break apart about 20 million years ago. C) ... Started by mspears3	1 Replies 58 Views	Jul 13, 2018 by vkodali
Ocean circulations A) can be changed by changes in ocean salt concentrations. B) include both ... Started by P68T	1 Replies 72 Views	Jul 13, 2018 by wtf444
ET climates have a perpetually frozen subsurface soil layer called ____________________. Fill in ... Started by rl	1 Replies 85 Views	Jul 13, 2018 by mohan
The scientific study of tree rings to determine past climates is ____________________. Fill in the ... Started by charchew	1 Replies 128 Views	Jul 13, 2018 by wilsonbho
From 1645 to 1715, sunspot numbers decreased drastically, a phenomenon termed the ... Started by K@	3 Replies 88 Views	Jul 13, 2018 by sabina576
Changes in the shape of Earth's orbit are termed Earth's ____________________. Fill in the blank(s) ... Started by cmoore54	1 Replies 129 Views	Jul 13, 2018 by lindahyatt42
Temperatures over North America suddenly cooled from 11,000 to 10,000 years ago, a period known as ... Started by Collmarie	1 Replies 60 Views	Jul 13, 2018 by pami445
Ice-albedo temperature feedback is an example of a negative feedback mechanism. Indicate whether ... Started by Lisaclaire	1 Replies 131 Views	Jul 13, 2018 by 31809pancho
The concentration of atmospheric lead increased substantially during the 1990s. Indicate whether ... Started by renzo156	1 Replies 70 Views	Jul 13, 2018 by rachel
The disappearance of polar stratospheric clouds in the Antarctic spring contributes to the growth of ... Started by olgavictoria	1 Replies 43 Views	Jul 13, 2018 by isabelt_18
According to satellite observations, the global cloud cover has a net heating effect on the ... Started by vHAUNG6011	1 Replies 81 Views	Jul 13, 2018 by Brummell1998
Like numerical forecasting techniques, global climate models use computers and mathematical ... Started by lbcchick	1 Replies 82 Views	Jul 13, 2018 by isabelt_18
Global climate models are about evenly divided on whether or not there will be global warming over ... Started by piesebel	3 Replies 137 Views	Jul 13, 2018 by Chelseyj.hasty
Global warming would likely lead to tropical diseases spreading farther north and south. Indicate ... Started by biggirl4568	1 Replies 78 Views	Jul 13, 2018 by Leostella20
Global warming A) is not supported by evidence from the last two decades. B) is a very complex ... Started by pepyto	1 Replies 59 Views	Jul 13, 2018 by ryhom
Over the last two decades, global average surface temperatures have risen about __ degrees Celsius. ... Started by bobbysung	1 Replies 67 Views	Jul 13, 2018 by Ddddd
The contraction of an ice sheet A) is an example of a negative feedback mechanism. B) increases ... Started by MirandaLo	1 Replies 71 Views	Jul 13, 2018 by asware1