The two predominant greenhouse gases are water vapor (controlled by the hydrologic cycle), and carbon dioxide (controlled by the global carbon cycle).
(The two predominant greenhouse gases; are; water vapor (controlled by the hydrologic cycle) (water vapor; controlled; by the hydrologic cycle) (carbon dioxide; controlled; by the global carbon cycle)
The two predominant greenhouse gases water vapor carbon dioxide
are controlled controlled
water vapor (controlled by the hydrologic cycle
by the hydrologic cycle
by the global carbon cycle