Levees can help prevent issues during a hurricane. What is a levee?

a type of radar that detects hurricanes
an earth wall designed to control water levels
a system used to warn people about an emergency
an event where people prepare for a fictional disaster

an earth wall designed to control water levels

A levee is an earth wall designed to control water levels.

Which type of information can scientists collect using a seismograph?(1 point)

Responses

measurements of vibrations occurring inside Earth
measurements of vibrations occurring inside Earth

the amount of debris produced by a volcano
the amount of debris produced by a volcano

temperatures of molten rock inside Earth
temperatures of molten rock inside Earth

pollution levels in the air after a volcanic eruption
pollution levels in the air after a volcanic eruption

measurements of vibrations occurring inside Earth

What is one major outcome of the improved monitoring of volcanoes around the world?(1 point)

Responses

More tourists are interested in visiting places known as hot spots.
More tourists are interested in visiting places known as hot spots.

Less seismic activity on Earth is being detected.
Less seismic activity on Earth is being detected.

Explosive eruptions can be prevented.
Explosive eruptions can be prevented.

More advanced warning time allows officials to prepare for human evacuations.
More advanced warning time allows officials to prepare for human evacuations.

More advanced warning time allows officials to prepare for human evacuations.

What technology did the U.S. Geological Survey (USGS) develop to help monitor volcanic activity at the five monitoring stations in the continental U.S., Alaska, Hawai'i, and the Mariana Islands?(1 point)

Responses

National Volcano Early Warning System (NVEWS)
National Volcano Early Warning System (NVEWS)

Volcano Notification Service (VNS)
Volcano Notification Service (VNS)

National Seismology Center
National Seismology Center

Federal Emergency Management Agency (FEMA)

National Volcano Early Warning System (NVEWS)

Which step can ordinary people take to minimize the effects of earthquakes and volcanoes and prevent the loss of human life?(1 point)

Responses

They can keep their eyes and mouth uncovered and open.
They can keep their eyes and mouth uncovered and open.

They can create an emergency plan within the first few hours after a natural hazard has occurred.
They can create an emergency plan within the first few hours after a natural hazard has occurred.

They can follow all advice and directions of first responders.
They can follow all advice and directions of first responders.

They can learn how to use the types of equipment scientists use to predict a natural hazard.
They can learn how to use the types of equipment scientists use to predict a natural hazard.

They can create an emergency plan within the first few hours after a natural hazard has occurred.