Geography, 21.02.2020 02:55 prettyprincess9643
Although scientists cannot directly observe Earth’s mantle or core, they can learn about these regionsindirectly by observing the behavior of seismic waves from earthquakes. Seismic waves come in twobasic forms (see figure). Pressure (P) waves move material back-and-forth in the direction of the waves'motion. Compressing and expanding a slinky will produce this sort of oscillation. Shear (S) waves, on theother hand, move material side-to-side in directions perpendicular to the waves' motion. The oscillationsof a jump rope, a guitar string, and the ocean surface are all examples of shear waves. Because seismicP- and S- waves are created by different kinds of motion, they interact with Earth matter in different ways. Please sort each wave type according to the types of Earth matter it travels through
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Geography, 21.06.2019 14:40
Abag contains purple marbles and red marbles, 114 in total. the number of purplemarbles is 6 more than 5 times the number of red marbles. how many purplemarbles are there?
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Geography, 22.06.2019 12:30
What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors
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Geography, 23.06.2019 23:40
Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.
Answers: 2
Although scientists cannot directly observe Earth’s mantle or core, they can learn about these regio...
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