Asteroids which could possibly collide with the Earth at some time in the future are known as
A) killer asteroids
B) Earth-crossing asteroids
C) Armageddon asteroids
D) potentially hazardous asteroids
Question 2
Mineralogical analysis of a rock can tell us
A) the detailed geological history of the rock
B) what the rock is made of
C) when the rock formed
D) the temperature and pressure conditions under which it formed