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Earthquakes

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Rhea Mraz

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Cards in this guide (20)
How often do meteorites hit Earth

Small meteorites hit Earth everyday, but large meteorites hit once a year.

Describe two basic processes of glacial erosion

The two processes are abrasion and plucking.

What processes lead to glacial erosion? Describe them.

The two main processes that lead to glacial erosion are plucking and abrasion. Plucking is the process by which a glacier picks off rocks as it blocks over the land. The rock fragments freeze to the bottom of the glacier, gouging and scratching the bedrock as the glacier advances in the process of abrasion.

The adjustments of materials that follow a major earthquake often generate smaller earthquakes called

aftershocks

Most earthquakes are produced by the rapid release of which kind of energy stored in rock subjected to great forces

Thermal energy

If the mass of one of the objects diubles what is the new force they excert on each other

If you refer to gravitational force, it would also double.

If you refer to gravitational force, it would also double.

If you refer to gravitational force, it would also double.

If you refer to gravitational force, it would also double.

How long before an earthquake do foreshocks occur

It could be days or YEARS before the major earthquake. Plate tectonics are always moving.

What force causes most of the erosion in desert areas

Running Water

After the Cambrian explosion what form of life evolved

Single celled organisms.

What are Seismic waves and when do they form

seismic wave are earthquake waves the types are l - waves, p - waves and s- waves they are recorded by seismograph or also called seismograph they form by explosion's, earthquakes and movement (waves) underground.

What are the three main types of glacial erosion

The 3 main types of glacial erosion are plucking, abrasion and freeze thaw.

How did scientists learn about earths interior

rocks and seismic waves

Is decaying plants dissolving minerals in rocks mechanical or chemical

Chemical Weathering

How did deflation affect the dust bowl in the 1930s

Lowering the land.

What are long sand ridges oriented nearly parallel to the prevailing wind called

longitudinal dunes

Most desert streams are depleted before reaching the ocean due to

In some deserts the water disappears as it is diverted to irrigation for crops and for municipal water supplies. Some of the water simply evaporates or is absorbed by the dry soil.

During the recent ice age glaciers covered almost what percent of earths land

During the recent ice age, glaciers covered almost 30 percent of earths land.

Does a you shaped valley indicate glacial erosion

A 'U' shaped valley indicates glacial erosion.

In the western states a dry creek is called an arroyo or

a wash

Streamlined asymmetrical hills composed of till is called a

drumlin

The release of stored energy from rocks that are deformed by stress is called elastic

shock

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