Which of the following regions is located 23.5° north and south of the equator?
a. the tropics
b. the equinoxes
c. the circle of capricorn
d. the solstices

They are called the tropics

a. the tropics

Explanation:

The equator which is represented by an imaginary line is then given by zero degrees and divided the earth into equal halves as north and the south and thus the area that lies above the equator on the north forms the tropic of cancer and in the south lies the tropics of the Capricorn. Covered with about 80% of the water bodies and is about 40,075 km is home to large and diverse populations the flora and fauna, and also called as the mid-latitudes.

Its in the national history museum and you can't se the original because its locked away in a vault 

Answer they are produced by collision of tectonic plates;