What do we call the visible streak of light created by space debris entering earth's atmosphere?
a. meteor
b. asteroid
c. meteorite
d. meteoroid

What volcanoes form on a divergent plate margin

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.

Why isn't the balkan region good for farming? it has dry summers. it is far from the sea. its soil is not fertile. its terrain is mountainous. its winters are mild.