How many cities are there in the united states ?

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?

Can someone answer all these questions i need it done by tonight. once again

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.