Find a map (web-search or library) and determine the distance between the eastern margin of north america , say, new york city , and the western margin of africa , say senegal or sierra leone.
the distance is? .
convert distance to kilometers (there are 1.6 km for every mile) 


3848,75 miles, 6158 km.

Explanation:

From New York, USA, to Dakar, Senegal (the outmost western city in Senegal), according to a map the distance is 6158 km. If there are 1.6 km for every mile, then to get the quantity in miles we should divide 6158 km by 1.6, which gives us 3848,75. However, the distance depends a lot on the exact point in a map from which we calculate.

temperatures get warmer — and heatwaves are more common. nothing says summer like warm weather. this rise in temperatures is caused by the tilt of the earth's axis. our planet doesn't sit perfectly straight as it spins — it has a slight lean of approximately 23.5 degrees with respect to the sun, called the axial tilt.

explanation:

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.