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3 years ago

What forms the eastern tectonic boundary of the North American plate?

Geography

1 answer:

nadya68 [22]3 years ago

3 0

to the east the north American shares the mid atlantic ridge with the Eurasian plate

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Why do you think the pyramid for year 2000 in China is different from the one for 1950.geography

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3 years ago

Using Wien’s Law, estimate the wavelength at which these common materials radiate their peak brightness (show your work):

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Explanation:

Wien’s Law:

$\lambda _{max}\propto \frac{1}{temperature}$

The law states that the wavelength at which black body emits maximum heat is inversely proportional to the temperature of the body in Kelvins.

$\lambda _{max}=\frac{2.9\times 10^{-3}}{T}$

1) Walls at 300 K

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{300 K}$

$\lambda _{max}=9.666\times 10^{-6} m$

2) Ice water at 273 K :

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{273 K}$

$\lambda _{max}=1.062\times 10^{-5} m$

3) Hot water at 373 K :

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{373 K}$

$\lambda _{max}=7.775\times 10^{-6} m$

4)Skin at 310 K:

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{310 K}$

$\lambda _{max}=9.355\times 10^{-6} m$

5)An incandescent light bulb at 3000 K

$\lambda _{max}=\frac{2.9\times 10^{-3} mK}{3000 K}$

$\lambda _{max}=9.666\times 10^{-7} m$

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3 years ago

Please help if you can C:

Makovka662 [10]

Prevailing winds- winds that come from a direction predominant during that specific time and place

doldrums- state of depression or inactivity

current- body of air that moves in a direct direction, especially through a surrounding mass of air that accumulates less movement

precipitation- snow, rain, hail, or sleet that falls to the ground

windward- direction of upwind from a specific point

leeward- direction downward from a specific point

rain shadow- a place that has little rainfall because it’s blocked off from prevailing rainfall winds by a range of large hills

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3 years ago

Read 2 more answers

Many people recycle paper cardboard cans and bottle is this an example of an activity that will help the ecosystem be sustainabl

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Yes. That's my gut answer, take it or not.

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3 years ago

State the name of the radioactive isotope that has a half-life that is approximately the same as the estimated time of the origi

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After reviewing the graph you posted above, there is one radioactive isotope that has a half life that is approximate to the same as the estimated time of the origin of Earth.

The radioactive isotope is called Uranium 238. You can also write this out as U-238 or uranium/u. Any of these are acceptable for the answer.

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3 years ago