Why do some people want to use floodplains to control flooding?

Floodplains protect the structures build on them from damage

How does a dam help control flooding?

It holds back high water and releases it slowly.

How does GPS technoloft help seismologists study earthquakes?

It helps them measure fault movement during earthquakes.

How does a levee prevent flooding?

It keeps rising water inside stream channels.

How does a jetty help protect beaches?

It prevent sand from being carried to the beaches below it.

How volcanoes change Earth's landforrms?

They form mountains of ash and lava.

studbud

Earth Science

9 termsStudBud Administration95 plays

Imported from external platform

Flashcards9 cardsFPractice quizPHost liveL

Questions 9

Answers

1
Why do some people want to use floodplains to control flooding?
Floodplains prevent rivers from overflowing their banks
Floodplains prevent sediment from being carried down a river
Floodplains absorb water during flooding.
Floodplains protect the structures build on them from damage
2
How does a dam help control flooding?
It allows sediment in floodwaters to move downstream.
It offers a natural method of flood control.
It is too high for water to rise above
It holds back high water and releases it slowly.
3
How does GPS technoloft help seismologists study earthquakes?
It sends out warnings that earthquakes are occuring.
It helps them predict when an earthquake is likely to occur.
It helps them measure fault movement during earthquakes.
It helps them predict where an earthquake is likely to occur
4
Which does NOT happen beacusee two plates collide?
Earth's surface crumples and folds
Deltas form
Earthquakes occur
Pressure builds
5
What process forms most mountains?
oozing of lava from a vent
an explosion of lava from a vent
the cracking of Earth's crust
the movement of Earth's plates
6
Which of these is least shaped by erosion?
sand spit
canyon
mesa
plain
7
How does a levee prevent flooding?
It forms a lake from excess water.
It acts as a drain when water gets too high.
It keeps rising water inside stream channels.
It pulls water downstream before it can flood.
8
How does a jetty help protect beaches?
It allows snad to be washed away and replaced naturally
It prevent sand from being carried to the beaches below it.
It traps sand as current movese past
It replaces sand that has washed away
9
How volcanoes change Earth's landforrms?
They blow ash and lava high into Earth's atmospher.
They form mountains of ash and lava.
They form over hot spots.
They release pressure that has build up under Earth's crust.

Earth Science Flashcards | StudBud