In La Conchita, California, landslides have been precipitated by ____.
A)periods of heavy rainfall
B)earthquakes
C)deforestation
D)dam failures
E)fracking
Question 2
A mineral's specific gravity and density ____.
A)are always different
B)cannot be calculated with a small specimen
C)are calculated based on the specific gravity and density of denatured alcohol
D)change with elevation
E)are controlled by its structure and composition