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Geology

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Kennedi Ratke

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Cards in this guide (18)
How could volcanoes trigger a mass extinction

Volcanic debris changes the climate.

Which is a metamorphic process

The metamorphic process is the conversion of one mineral into another through heat and pressure over time. The metamorphic process is the conversion of one mineral into another through heat and pressure over time.

What principle states that animals succeed each other in a definite sequence

Faunal succession

How did Earth come to have an oxygen atmosphere

Early organisms created oxygen from other gases in the atmosphere.

More specifically, the methane atmosphere on Earth was supplanted by oxygen generated by microorganisms in the oceans. Today, the vast majority of our oxygen comes from the ocean - mainly plants. Earth came to have a oxygen atmostphere because that is the way God invisoned it, so thats how he made it.

Which of the following is NOT a sedimentary structure Ripple marks Magma emplacement Mud cracks or Cross beds

Magma emplacements or Batholith are not sedimentary structures.

What theory about the spread of human beings seems to be supported most by modern evidence

Out of Africa theory

What do geological principles tell you about inclusions

Geological principles tell you about inclusions that fragments are older than the rocks they are inside of.

Overall how does the climate of the Cenozoic era compare to the climate near the end of the Mesozoic era

It is cooler

Why are no rocks found that date from the first 800 million years of earths existence

Earth was too hot to have solid rocks at that time.

What turned out to be a hoax

A Fraud

Put time divisions in order from longest to shortest

Eon, Era, and Epoch: APEX :D

Which of the following dod not occur during the Cenozoic era

Several periods of mass extinction

What is an important characteristic of an index fossil apex

It must have lived for a short geologic period of time.

How has Earth changed during our current era

Dense forest developed

What caused disappearance of land bridges

Shrinking of the polar ice caps

What is a possible explanation for why the giant ice caps that covered a supercontinet in the paleozoic era melted

volcanic outgassing increased the greenhouse effect

What is current era today

The current era today is Cenozoic

Which of the following is a nonrenewable recourse

fossil fuel

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