Who made contact with East Africa before Europeans?

How are deposits reflected in a balance sheet? what are they known as?

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz