Answer:
Germany Researcher
Explanation:
Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research
Answer:
Explanation:
A is not correct as Botswana is one of the most stable democracies in the world, usually ranked on the 1st or 2nd place in Africa.
B is also wrong as this country is also among most stable governments on the continent. Among first ten, actually.
C is also wrong, because Kenya is somewhere in the middle.
D is correct as Central African Republic is at the bottom of the ladder, together with Somalia and Sudan.
A renewable energy source is a natural resource on Earth that can be naturally replenished in a short period of time. Wind is considered clean and renewable because it will not produce harmful pollutants or emissions and won't harm our ecosystem!
Cross sections perpendicular to the base and through the vertex will be triangles. Below, you can see a plane cutting through the pyramid, part of the pyramid removed, and the cross section. You could also take a slice parallel to the base. Cross sections parallel to the base will be hexagons.