On april 13th, 1865, what does john wilkes booth begin to plan?

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

The point where two air masses meet is called a

What causes the drought cycles in africa? a. the jet stream b. mount kilimanjaro c. monsoon climate zones d. quickly evaporating rainwater