Question 1 With regards to the formation of continental lithosphere, which is tr

Question

Question 1 

With regards to the formation of continental lithosphere, which is true for the Archean Eon?

Continental material had not formed yet during this time

Full size continents came together from protocontinents

Pangea formed from the collision of the continents

Protocontinents formed

Question 2 

The craton, or the core of a continents, __________ attained relative stability, and received ______________ deformation for at least 1 billion years.

has, considerable

has, little

has not, considerable

has not, little

Question 3 (2.5 points)

Most meteorites are thought to have been derived from the fragmentation of ___________, and are basically the same in composition as Earth's ____________ rocks.

asteroids, igneous

asteroids, sedimentary

comets, igneous

comets, sedimentary

Question 4 

The universe is thought to be ______________ billion years old based on the calculations from the wavelengths of light radiating from distant stars.

4.6 

4.6-5.6

6-9 

12-18

Question 5 

The _____________ is thought to be cool, rigid and brittle.

asthenosphere

core

lithosphere

mesosphere

Question 6 

Which of the following gases was probably NOT released into the early Earth atmosphere by volcanism?

Carbon Dioxide (CO2)

Nitrogen (N2)

Oxygen (O2)

Water (H2O)

Question 7 

Stromatolites tend to form in ________ water by the binding action of _____________.

cold, algae

cold, cyanobacteria

warm, algae

warm, cyanobacteria

Question 8 

_________ proportions of isotopically light Carbon-12 have been found in rocks that are older than the oldest body fossils found. This data supports the hypothesis that life ________ evolve before the time of the first body fossils.

High, did

High, did not

Low, did

Low, did not 

Question 9 

Stanley Miller and Harold Urey _________ use free oxygen in their experiments to simulate early earth conditions, and amino acids __________ produced.

did, were

did, were not

did not, were

did not, were not

Save

Question 10 

In order for life to have arisen abiotically, it must have first developed under ________ and ____________ conditions.

anoxic, aqueous

anoxic, terrestrial

oxidizing, aqueous

oxidizing, terrestrial

Explanation / Answer

Im not supposed to answer more than four,

1 d

2 b

3 a

4 d

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