Geology

EDITED 1/8/16: A contour interval is a the elevation difference between two adjacent contour lines.

Previous person put some ridiculous answer. This one is the correct answer on APEX and does not need improvement.

convection

Thermal energy -apex (:

elevation

plants takes in carbon dioxide and release blank gas?

density

remote sensing

remote sensing

energy

North -Apex :)

south

less-dense air has a higher temperature

An creation disk may eventually form a

And thus, she straightened her hair.

or

And thus, her hair was straightened.

You are unlikely to find a horizon on a map. The horizon (or skyline) is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.

full moon

distortion