The term used to describe how light is reflected from a mineral's surface is a. fluorescence. b. streak. c. density. d. luster.

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

The language of anna's country has a turkish influence. where does anna live?

These factors threaten north americas ecosystems