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Geology

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Delpha Murray

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Cards in this guide (16)
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.

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.

As rocks erode from Earth's surface they are replaced by the process of

uplift

The first two steps in the lithification process are

compaction and cementation.

What is true about the most recent ice age

Land bridges the once existed now are underwater.

Humans have become dominant in the last years

1 million

In which era did the supercontinent Pangaea break up

Pangaea broke up in the Mesozoic Era.

Which satellite was launched recently by NASA

The satellite which was launched recently by nasa is terra.

Which conditions are best for fossil formation

Probably the best condition for fossil creation/preservation would be aqueous catastrophism(ie... flood), stratum deposited in rapid succession. Quick coverage of plant or life form would/do present terrific fossils.

The answer of 'Quick freezing' is not so likely. I can't think of anywhere there would suddenly be 'flash freezing' upon our planet. Life forms would have a chance to move away from such conditions of cold and plants would die out. Although death within a cold temperature area would lend to good preservation of a life form.

"Quick Freezing"

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.

Is global warming an environmental consequence of the use of fossil fuels

Yes.

How has Earth changed during our current era

Dense forest developed

Which process usually requires water

Chemical weathering

What caused disappearance of land bridges

Shrinking of the polar ice caps

Which is not an environmental consequence of nuclear energy

Greenhouse gases

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