How do officials warn people about volcanic eruptions? Select the best answer from the choices below. a.) People are warned to watch for an increase in earthquakes

b.)Scientists use tiltmeters to measure the angle of the volcano's slope and check for ground swelling

c.)The U. S. Geological Survey employs a nationwide volcano alert-level system

d.)Scientists measure gas emissions around a volcano

A/an map shows the types of rock and/or sediment present in a particular region. a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map. to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map. a map has contour lines, which connect points at the same elevation. a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

What does this grave marker reveal about roman society

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false