Question 25Group of answer choices:a glacier's polar location causing cold-base conditions

Question

Question 25Group of answer choices:a glacier's polar location causing cold-base conditions

Basal slip is made easier by...

bare sediment-free bedrock beneath the glacier

a layer of snow beneath the glacier

a layer of meltwater beneath the glacier

all of the above

Question 26

Choose the correct effects of pressure on the melting curves (solidus) of both rocks and ice:

Group of answer choices:

increasing Pressure melts rocks but freezes ice

increasing Pressure solidifies rocks but melts ice

increasing Pressure melts rocks and melts ice

increasing Pressure solidifies rocks and freezes ice

increasing Pressure has no effect on the solidus of either rock or ice

Question 27

Snow on the ground is...

Group of answer choices:

a metamorphic rock

an igneous deposit

a sedimentary deposit

a sedimentary rock

Question 28

The Missoula Floods narrative included which of these?

Group of answer choices:

rising sea level fills valley with lake

gigantic lake forms behind an active fault block mountain

advancing ice sheet forces water out of river valley

advancing ice sheet blocks a river

a giant lake forms in Wyoming

Question 29

Large rocks found in the Willamette Valley, originating hundreds of miles to the northeast, and having no relationship to the local bedrock where they are found, are...

Group of answer choices:

kettles

eccentrics

icebergs

erratics

erronics

Question 30

As snow falls from the sky and changes eventually into glacier ice, it passes through distinct phases. Put the following in the correct order:

firn glacial ice granular ice snowflakes snowpack

Group of answer choices:

snowflakes, glacial ice, snowpack, granular ice, firn

snowflakes, granular ice, snowpack, glacial ice, firn

snowflakes, snowpack, firn, glacial ice, granular ice

snowflakes, snowpack, granular ice, firn, glacial ice

snowflakes, firn, snowpack, granular ice, glacial ice

Question 31

A fiord is a drowned...

Group of answer choices:

cirque

graben

volcanic caldera

tarn

glacier-carved valley

Question 32

Glacial striations on bedrock are the result of...

Group of answer choices:

abrasion

ablation

braided rivers

the claws of vast hordes of rodents

Question 33

The geological cliché "The Present is the Key to the Past" means...

Group of answer choices:

geologically speaking, everything throughout earth history, both processes and rates, has always been pretty much like we see it today

processes that we see operating in the physical world today provide clues, insights, examples, and models to help interpret and explain the geological evidence of past events

what has happened in the geological past determines conditions and circumstances in the geological present

what you get for Christmas accurately reflects your behavior during the previous year

none of the above

Question 34

Continental ice sheets flow...

Group of answer choices:

like a low viscosity fluid

downward below the accumulation zone

from north to south

all of the above

Question 35

Evidence for the Missoula Floods included all of the following except...

Group of answer choices:

giant ripple deposits

U-shaped valleys carved into the Columbia River Gorge

sedimentary deposits covering and leveling valley bottoms in Oregon

blocks of rocks deposited far south and west from their bedrock origins

giant horseshoe shaped cliffs in eastern Washington suggesting huge former waterfalls, now dry or nearly so

Question 36

Changes in planetary insolation due to variations in Earth's orbital geometry or axial orientation include all of the following except...

Group of answer choices:

magnetic polarity reversals

regular shifting of the tilt of the Earth's axis

wobble of the Earth's axis

systematic increase and decrease in orbital eccentricity

Answer 1

Fusce dui lac, dictum vitae odio. Donecgue vel laoreet ac, dictum vitae odio. Do

ac, dictum vnec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestonec aliquet. Lorem ipsum dolor sit amet, consecte

a molestie cour laoreet. Nam risus aat, ultrices ac

itur laoreet.a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellente

rem ipsum dolce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facis a molest

m ipsum dolorinia pulvinar tortor nilestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donipsum dolor sit amet, consectetur adipiscing elit. Nam l

itur laoreetm ipsum dolor sit ameac, dictum vitae odio

ongue vel laollentesque dapibus efficitur laoreet. Nam risusec fac

lestie conseqs ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui la molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor

iscing elit. Nam lacinia pulviipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficit

ec facilisis.facilisis. Pellentesque dapibus efficitur laoreet. Nam risus anteec facs a molestie consequat, ultrices ac magna. Fuscor ne

m ipsum dolora molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dol, ultriccongue vel laoreet ac, di