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OLga [1]
3 years ago
7

Which of the layers of the Earth has the following three characteristics?

Geography
2 answers:
mafiozo [28]3 years ago
5 0

Answer:

D

Explanation:

The crust has tectonic plates

Juli2301 [7.4K]3 years ago
3 0

Answer: The answer is D

Explanation: key words: solid outer layer

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itan's orbital radius is about 1222000 km and its orbital period is just under 16 days. From this information, estimate the mass
maksim [4K]

Answer:

5.67\cdot 10^{26} kg

Explanation:

For a satellite in orbit around a planet, the gravitational force between the planet and the satellite is equal to the centripetal force that keeps the satellite in circular motion.

So, we can write:

\frac{GMm}{r^2}=m\frac{v^2}{r}

where

G is the gravitational constant

M is the mass of the planet

m is the mass of the satellite

r is the orbital radius of the satellite

v is the speed of the satellite

The equation can be rewritten as

M=\frac{v^2r}{G}

Also, we can write the orbital speed as the ratio between the length of the orbit (circumference of the orbit) and orbital period, T:

v=\frac{2\pi r}{T}

Substituting into the equation for M,

M=\frac{4\pi^2 r^3}{GT^2}

Here we have:

r=1,222,000 km = 1.222\cdot 10^6 km = 1.222\cdot 10^9 m is the orbital radius

T=16 d \cdot 86400 s/d=1.38\cdot 10^6 s is the orbital period

Substituting, we find the mass of the Saturn:

M=\frac{4\pi^2 (1.222\cdot 10^9)^3}{(6.67\cdot 10^{-11})(1.38\cdot 10^6)^2}=5.67\cdot 10^{26} kg

4 0
3 years ago
What is the Basic Income Level
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I think Basic income systems that are financed by the profits of publicly owned<span> enterprises (often called </span>social dividend<span>, also known as </span>citizen's dividend<span>) are major components in many proposed models of </span>market socialism.<span> Basic income schemes have also been promoted within the context of </span>capitalist<span> systems, where they would be financed through various forms of taxation. Hope I helped!!</span>
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Abiotic factors include water, sunlight, oxygen, soil and temperature.

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Leviafan [203]

Bolivia , which has a 10,582 square kilometers.  Which also is 4,086 square miles. Also covers most of Southwestern Bolivia

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Mars2501 [29]

Answer:

Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume. Ecologists estimate the size and density of populations using quadrats and the mark-recapture method.

Explanation:

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3 years ago
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