Geography, 04.04.2021 23:20 skylar1315
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
Answers: 1
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Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor
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Geography, 22.06.2019 19:00
Which statements about wells are true? check all that apply. a) wells bring groundwater from the unsaturated zone to the surface of the water. b) wells need to be drilled below the water table. c) if water is pumped from a well too quicky, the well may run dry. d) water from wells is generally not safe to drink. e) water gushes from artesian wells due to pressure.
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People keep spending additional units of a particular resource on a want until their marginal benefit is decreasing withgreater thanless thannot affected by their marginal cost.
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The percentage of people in the united states engaged in agriculture in 2000 was approximately a. 56% b. 38% c. 21% d. 2%
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How do officials warn people about volcanic eruptions? Select the best answer from the choices below...
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