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boyakko [2]
3 years ago
14

Name three people who contributed to the models of our solar system..pls

Geography
2 answers:
Free_Kalibri [48]3 years ago
3 0

Answer: NASA

Explanation:

blsea [12.9K]3 years ago
3 0
Nicholaus copernicus, galileo galilei, and giovanni cassini
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De o<br> conceito de mercosul citando quais sao os paises que fundaram e sao membros plenos
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What is the largest source of freshwater on earth?.
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The Arctic Circle located at 661/2° N. Latitude divides what two climate regions
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4 years ago
2 1. Scattering cross-section of acrosol particles is 2.5E-12 m , absorption cross-section is 0.45E- .2 12 m Concentration of pa
Alona [7]

Answer:

T = 3.23 \times 10^{-83}

Explanation:

thickness of aerosol layer is 2.5 km

zenith angle is 40 degree

we know that

\tau = \epsilon_{ext} . h

where

\epsilon_{ext} = N.\sigma_{ext}

\epsilon_{ext} is extinction coefficient

\sigma_{ext} extiction cross section

N = Concentration

\sigma_{ext} = (2.5 + 0.45)\times 10^{-12} m^2

                     = 2.95 \times 10^{-12} m^2

\epsilon_{ext} = 2\times 10^7 \times 2.95 \times 10^{-12} m^2 \times m^{-3}

                       = 5.9 \times 10^{-5} m^{1}

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        = 14.75\times 10^{-2}

transimiitance T  = e^{\frac{-\tau}{\mu}}

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T = 3.23 \times 10^{-83}

6 0
4 years ago
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