The primary source of water vapor and carbon dioxide for Earth's early atmosphere was most likely ____
A) photosynthesis
B) ozone reactions
C) outgassing
D) nitrogen chemical reactions
C
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The most widely practiced religion in Cuba is
A) Obeah. B) Santeria. C) Voodoo. D) Candomble. E) Umbanda
Water flows into the cracks in a boulder and freezes. The water expands and pushes the rock apart. What surface process is this?
A. differential weathering B. mechanical weathering C. fast weathering D. chemical weathering
The most important function of cities in traditional societies was economic
Indicate whether the statement is true or false.
The Coriolis effect is the apparent deflection in the path of a moving object due to
A. the rotation of the earth. B. the revolution of the earth. C. the pressure gradient force which increases with latitude. D. the pressure gradient force which decreases with latitude.