Neuroscientists conducted research with taxicab drivers in London and found that taxicab drivers, who are required to have a tremendous amount of spatial and geographic knowledge, had a larger than other drivers.
A. medulla
B. hypothalamus
C. reticular formations
D. hippocampus

Neuroscientists conducted research with taxicab drivers in London and found that taxicab drivers, who are required to have a tremendous amount of spatial and geographic knowledge, had a larger hippocampus than other drivers.

Option D.hippocampus

Explanation:

Hippocampus is concerned with following important functions:

As the geographic knowledge and spatial knowledge is being stored in the hippocampus, the taxi driver surely have greater hippocampus than other drivers.

a: the sheep and waste material both release carbon into the atmosphere.

cats appear to have glowing cat eyes because the back of their eyeballs includes a special reflective surface called the tapetum lucidum. this lets them see better during the night, giving them a much better vision.