I would say the answer is D.
The imaginary line that divides the earth into in this case the north and south hemispheres is called the Equator and it passes through Ecuador and actually Ecuador is the Spanish word for Equator. The French explorer La Condamine spent 10 years in Ecuador studying the equator and determined the oblate spheroid shape of the world.
Answer:
The essential element of geography called physical systems focuses on the study of the Earth’s natural environments and the systems that shape them.
<em>Physical geography studies the layers of the Earth and the connection between them. For example, the interaction between the anthroposphere and the biosphere - the way in which the protection of natural environments is achieved, but in which tourist routes, tourist activities are also integrated.</em>
The Neolithic Revolution.
This, meaning new age, is when plants and animals were domesticated and a new age had begun.
Hope this helps :)
Irdk but that is a very good question