Do winds occur as a result of convection in the atmosphere?

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Select all that apply the earth orbits the sun because a. the earth is in motion therefore stays in motion b. the suns gravity pulls the earth in a curved path c. a contact force is pushing the earth

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.