Cumulative Exam — Cumulative exam Answers
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Study these images.
A
1B
2C
3D
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What is one way people have negatively affected land resources?
A
habitat restorationB
urbanizationC
terrace farmingD
reforestation43
Which statement defines an ore?
A
Rock broken down to become part of the topsoil.B
Rock dug out from the earth to use in construction.C
Rock dug out from the deep inside earth and refined.D
Rock exposed as a result of loss of topsoil.44
The table shows index fossils.
A
Life forms existed during the Cambrian period.B
Similar fossil species formed after the Devonian period.C
This fossil species first appeared during the Cenozoic era.D
Different life forms were surviving during Precambrian time.45
Study the image.
A
A convergent boundary is formed.B
Two plates are forming a divergent boundary.C
Continental plates are sliding past each other.D
Several mid-ocean ridges are formed on Earth’s surface.46
What is the purpose of a geological time scale ?
A
It used to predict natural disasters throughout Earth’s history.B
It is used to present the correct sequence of events in the Earth’s history.C
It is used to determine the absolute dates in years for different periods.D
It used to create a naming system for flora and fauna.47
Which substance is a natural land resource used in construction?
A
steelB
bedrockC
clayD
salt48
Which part of Earth absorbs the most sunlight?
A
oceansB
soilC
lakesD
rivers49
What do isotherms show?
A
points of equal humidityB
points of equal wind speedC
points of equal air pressureD
points of equal temperature50
Study the graph about oxygen content of Earth’s atmosphere.Which describes oxygen content as Earth evolved over time?
A
Oxygen levels sharply declined about 400 million years ago.B
Oxygen levels stay above 15 percent starting 200 million years agoC
Oxygen levels remain below 5 percent starting 1000 million years ago.D
Oxygen levels raise significantly between 1000 and 700 million years ago.Did you find these answers helpful?
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