Which of the following is a characteristic of the Rub al Khali? A)summer temperatures in excess of 120ºF

B)cool, rainy winters

C) High humidity

D) Widespread plant and animal life

Which one of the following is true of jamestown? sir francis drake founded the settlement in 1619. o john smith was responsible for introducing tobacco. o black slaves were brought to jamestown in 1619.

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?

The eastern roman empire is also known as what empire