Which statement describes the scientific process? 

A)  Established scientific theories are not challenged and continue to hold true. 
B)  Advances in science are never based on disagreement, speculation, and controversy. 
C)  Science is the acceptance of what works and the rejection of what does not work. 
D)  Scientific laws and theories are based on certainties, not statistical probabilities.

Which soil type has the most pore space? 

A)  clay 
B)  silt 
C)  sand 
D)  loam

Rock that has formed from cooling magma or lava is:

A) Igneous rock
B) Metamorphic rock
C) Sedimentary rock