Find the length of EF to the nearest tenth of a foot

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

Russia is to the east if germany ? true or false

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.