Which techniques can scientists use to determine the characteristics of Earth's layers? Select the two correct answers.
conduct experiments about how minerals change under high pressure
study how seismic waves travel through different layers
examine the behavior of minerals at extremely low temperatures
use X-rays to obtain a view of Earth's interior layers
drill deep mines to obtain samples from Earth's mantle and core
Answers: 2
Physics, 21.06.2019 19:30
Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?
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Physics, 21.06.2019 23:30
Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?
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Physics, 22.06.2019 09:10
The air that we breath is made mostly of which gaseous molecule
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Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
Answers: 1
Which techniques can scientists use to determine the characteristics of Earth's layers? Select the t...
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