<span>The answer to your question is years.
When using early sea and land trade routes like the silk road, traders often took <u>a. years</u> to bring products around the world.
</span><span>Trading products around the world is not an easy task compared to what we have now.</span><span> </span><span>
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B. Hiwassee
I looked it up
It’s cheaper to mine on land
Answer: the orbit of Mars is significantly more elliptical being more further away from the sun than the Earth.
Explanation: An elliptical orbit is said to be formed when object revolves around another in an oval-shaped path known as an ellipse. The planets in our solar system orbit around the sun in elliptical orbits.
The different planets have their different distances from the sun which affects, their climate and determines if life can exist in them.
Many man made satellites orbit the Earth in elliptical orbits, so also does the moon. Generally, most objects and satellites in outer space travel in an elliptical orbit.
I think the answer is B. Hope this helps.
