Why does earth have so little carbon dioxide in its atmosphere compared to venus?

Jennifer is visiting her grandmother, who lives in the northeast corner of oklahoma. the region is home to many lakes, and jennifer enjoys canoeing on the illinois and grand rivers. to which region of oklahoma is she traveling? the prairie plains, the ozark plateau, the red river plains, the red beds plains

Witch layer of the atmosphere has the most air pressure

How many countries have portuguese as a national language?