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.
The correct answer is - B. large empires developed.
The mountains are a natural barrier for lot of human activities, and one of those is the formation of settlements, big countries, or empires. The creation of large empires on a mountainous terrain is extremely hard and unpractical, and there's very few cases in the human history that that has been performed well. The reasons for that is that in the mountainous regions it is hard to create a network of roads, build large settlements, and also there's lack of natural resources and food, so the people had the tendency to create small settlements, or city-states in this kind of circumstances.
A. elevation because when talking about how many ft something is above sea level it is always talking about elevation