Answered

In “Single Room, Earth View,” which cause explains why the author can easily lose track of her location?

Athe high altitude of the space shuttle
Bthe blur of landforms as seen from space
Cthe sun's brightness
Dthe speed of the space shuttle

Verified Answer :

Greenleafable

In "Single Room, Earth View," the cause which explains why the author can easily lose track of her location is D. the speed of the space shuttle. 
It is very difficult for her to keep track of where she is when everything is constantly shifting.