How has our health been affected by the shift from a diet rich in green leafy plants to a diet filled with seed crops like rice, wheat, and corn?

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples

Many countries in africa have had difficulty creating democratic governments following their independence. all of the following issues have most likely contributed to this problem, except

What type of directions are northeast and southeast ?