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4vir4ik [10]
3 years ago
14

The theory that the Earth's crust and part of the upper mantle are broken into sections that move on a fluid layer of the mantle

is called...
A. Continental Drift
B. Wegener's Theory
C. Sea Floor Spreading
D. Plate Tectonics
Physics
1 answer:
VMariaS [17]3 years ago
6 0
I most sure about c but could be wrong
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A thin spherical shell with radius R1 = 4.00 cm is concentric with a larger thin spherical shell with radius R2 = 6.00 cm . Both
kakasveta [241]

Answer:

The right response will be "450 volts".

Explanation:

The given values are:

R1 = 4.00 cm

R2 = 6.00 cm

q1 = +6.00 nC

q2 = −9.00 nC

As we know,

The potential difference between the two shell's difference will be:

⇒  \Delta V=K[(\frac{q1}{R1}+\frac{q2}{R2})-(\frac{q1}{R1} +(\frac{q2}{R2}))]

           =K[\frac{q1}{R2}-\frac{q1}{R1} ]

On substituting the values, we get

           =(9\times 10^9)[\frac{6\times 10^{-9}}{0.04}-\frac{6\times 10^{-9}}{0.06}]  

       Δ =450 \ volts

3 0
3 years ago
Which statements does the Second Law of Thermodynamics support?
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4 0
3 years ago
What does a black asphalt road become hotter than a white cement sidewalk in the same amount of sunlight?
victus00 [196]
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The boiling point of water at sea level is 100 °c. at higher altitudes, the boiling point of water will be
Scilla [17]
   <span> The boiling point of water at sea level is 100 °C. At higher altitudes, the boiling point of water will be.....
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b) lower, because temperatures are lower.
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I hope this is helpful. </span>
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3 years ago
Based on its location on the periodic table, which element is a metal?
goldfiish [28.3K]

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6 0
3 years ago
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