Geography because geography determines where you are in a area and its PERSPECTIVE
How close the planet is to the sun and how much it is receiving the sun's radiation.
The iron in the dust reacts with oxygen
Plate tectonics describes the movement of very large chunks of land underneath the ground. The continents have moved around due to the plates below us moving, which is caused by the internal flow of gasses and molten metal underneath us.
Hope this helps!
