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erik [133]
3 years ago
13

Geologists apply various methods to study the layers of the Earth. Which of the following is NOT a method used to study the Eart

h’s layers?
A. Scientists use seismic computer models to measure the atmospheric conditions above the Earth's crust

B. Scientists map seismic waves to determine the densities of materials that lie beneath Earth’s surface.

C. Scientists measure vibrations on Earth's surface using a seismograph (an instrument that measures seismic waves).

D. Scientists measure the time it takes for seismic waves to reach a seismograph (an instrument that measures seismic waves).
Physics
1 answer:
77julia77 [94]3 years ago
8 0

Answer:

A. Scientists use seismic computer models to measure the atmospheric conditions above the Earth's crust

Explanation:

why would use atmosphere to study the layers of earth? dont think thats possible

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A truck moves 70 m east, then moves 120 m west, and finally moves east again a distance of 90 m. If east is chosen as the positi
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Answer:

140m east

Explanation:

If East is positive then lets rephrase the problem into integers

A truck moves +70 m, then moves -120m, and finally moves +90m.

So totally Displacement = +70-120+90= +140m

Since east is positive, the trucks resultant displacement is 140 m east of origin

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What are the units, if any, of the particle in a box wavefunction. What does this mean?
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