Answer: Traditional economic systems
Explanation: In other words, traditional economic systems are the most basic and ancient type of economies. Large parts of the world still qualify as traditional economies, primarily rural areas of second- or third-world countries, where most economic activity revolves around farming and other traditional activities.
Western and Northern Hemispheres.
Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft will begin to rotate if winds vary sharply in speed or direction1
Natural, it is not man made.
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.