What important role do sand dunes play?

The red arrow shows the direction that wind from the south pole would travel if earth were not spinning. the wind's destination is at point a. because earth is spinning in the direction shown by the blue arrow, the coriolis effect will cause the wind to terminate closest to which point?

Which of the following is a constitutional power that the president shares with the senate?

Which of the following best describes the reason the state department is interested in foreign exchange programs?