Cycles of Matter — Unit test Answers
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Which feature causes a gap in the geologic record?
A
extrusionB
faultC
intrusionD
erosion42
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The image shows flat sedimentary rock layers in the foreground and angled sedimentary rock layers in the background.
A
They cracked at an angle.B
They were deposited at an angle.C
They were deposited vertically and then shifted by a geologic event.D
They were deposited horizontally and then shifted by a geologic event.43
Some consumers, like lions, do not eat plants or any other producers. They only eat other animals.How do lions obtain the carbon they need?
A
by eating animals that have carbon-based molecules stored in their bodiesB
by breathing it in from the atmosphere in the form of carbon dioxideC
by absorbing carbon-based molecules through their skin from the soilD
by drinking water that contains carbon dioxide44
During the nitrogen cycle, through which structure are nitrogen compounds first absorbed into the plant?
A
rootsB
leavesC
flowerD
stem45
In which situation is the principle of cross-cutting relationships useful in determining relative age?
A
A fault breaks through sedimentary layers.B
Fossils of two different species are found in different rock layers.C
Sedimentary layers form over millions of years in a lake bottom.D
Lava flows form on top of one another from several eruptions over time.46
Which human activity would most likely decrease the amount of carbon in the atmosphere?
A
clearing forestsB
heating coalC
burning woodD
planting treesDid you find these answers helpful?
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