3 years ago

Help Easy Questions I will give you brainliset if you help plsss!!!!!!!!!!!!!!!!!!!!!

Geography

1 answer:

Serggg [28]3 years ago

4 0

Answer:

1.A 2.D 3.C 4.B

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His work inspired the incorporation of branches of government with varying powers.

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B. Montesquieu

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Which of the following is NOT a country of mainland Southeast Asia?

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Indonesia, Hope I helped :)

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Question 6 1 pts What is the angular resolution of a 2.0 m telescope observing at a wavelength of 650 nm? Choose the closest ans

lubasha [3.4K]

Answer:

Option (C)

Explanation:

The angular resolution formula,

Sin A= 0.25 (Wavelength ÷ Diameter)

where, wavelength is taken in micrometer and diameter is in meter.

Here, wavelength (W)= 650 nm = 0.65 μm (converting nanometer into micrometer)

Diameter= 2 m

now, according to the formula,

$\sin A=0.25\times [\dfrac{wavelength}{diameter}]\\\\\sin A=0.25\times \dfrac{0.65\ \mu m}{2\ m}\\\\\sin A=0.08125''\\\\\sin A\approx 0.082''$

Thus, the correct answer is option (C) i.e. 0.082 arc second.

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3 years ago

Do convection currents occur in the upper mantle?

anzhelika [568]

Answer:

Yes

Explanation:

Heat in the mantle comes from the Earth's molten outer core, decay of radioactive elements and, in the upper mantle, friction from descending tectonic plates. ... While conduction seems the more obvious method for heat transfer, convection also occurs in the mantle.

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4 years ago

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Which statements describe the geographic theme of location

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Answer:

THE COSTA RICAN LANDSCAPE IS MAINLY RAINY FOREST

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