When were the pyramids in Africa built?

How did phoenicia's location near the Mediterranean sea affect its development? Are national parks considered part of the US? What is the origin of tetanus? Which lake in California is the deepest lake? What is a freshwater wetland with lots of sphagnum moss? Physical features of the gold coast? What adapitation artic fox? What oceans are around Spain? What did the San Jose mission look like on the past? What is the name given to that portion of the North Atlantic Ocean that is noted for its abundance of seaweed and what is its importance to the ecology of the planet? Where is the roller coaster steel dragon loacated? Is lake's singular? Where is the mool mantar found? How many people died in the Battle of Atlantic? Why is the waves not as big in the Gulf of Mexico as in the Atlantic Ocean? What three major rivers start in the high in the Himalayan mountaina what bodies of water do they flow into? What makes sea water move? Why did us want to build the panama canal? What two northeast states do not share borders with the Atlantic ocean? How many pentominoes can you build with 5 in a row?