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2 years ago

Subsistence agriculture is LEAST likely to be

Geography

1 answer:

marin [14]2 years ago

8 0

Answer:

A. very intensive

Explanation:

They use small plots

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He ____________ is the portion of the earth that supports living things.

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The biosphere is the portion of the earth that supports living things.

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California has a large East Asian population as a result of the __________ of immigrants after World War II.

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California has a large East Asian population as a result of the departure of immigrants after World War II.

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Helppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Evgesh-ka [11]

Answer:

it would be $10

Explanation:

$10 is what the majority of people donated

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2 years ago

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

SSSSS [86.1K]

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

GUYS HELPP! GIVE ME SOME IDEA OF HOW THE GREEKS REALIZE THAT THE EARTH IS SPHERICAL UNTIL GREEK CREATE THE MODEL OF THE UNIVERSE

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Answer:

Lunar eclipses

The only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient Greeks deduced that this must mean the Earth is spherical.

Explanation:

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