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Questions and Answers
Which division in the geologic time scale is defined by containing two or more periods?
Which division in the geologic time scale is defined by containing two or more periods?
- Eon
- Era (correct)
- Epoch
- Period
What type of rock is formed from the cooling of magma?
What type of rock is formed from the cooling of magma?
- Metamorphic rock
- Igneous rock (correct)
- Sedimentary rock
- Oceanic crust
Which layer of the Earth is composed of iron and nickel, making it the most dense layer?
Which layer of the Earth is composed of iron and nickel, making it the most dense layer?
- Asthenosphere
- Lithosphere
- Mantle
- Core (correct)
What is the process that adds sediments, soil, and rocks to a landform?
What is the process that adds sediments, soil, and rocks to a landform?
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Which boundary is characterized by tectonic plates moving apart?
Which boundary is characterized by tectonic plates moving apart?
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What type of dating method measures the age of an event or object in years?
What type of dating method measures the age of an event or object in years?
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