Answer:
undernourishment means; "not given the essential elements for proper development."
desertification means; "the process of which a certain area becomes a desert."
food security means; "the state of having reliable access to a sufficient quantity of affordable, nutritious food."
and all of those go into where Sahel is because it is a poor, undernourished, deserted area.
Explanation:
Answer:
B
Explanation:
When people get older they pass away so it makes sense that the pyramid decreases with age
The frontiers when taken into consideration, maps which establishes the European frontiers were seen to appear from the 18th century only and not prior to that.
<u>Explanation:
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The ideology of formation of state or state boundary were emerged with the period of 17th century and even mid of 16th century witnessed it. The establishment of frontier though started with 18th century only.
The different topographical features were considered to describe the fronts such as the rivers, mountains. And, even the landmarks such as forts or towers were considered as the border distinction.
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.
