In the cut-and-fill method, ____. A)benches are cut into a ...

[joesmith1212]

In the cut-and-fill method, ____.
 A)benches are cut into a hillside
 B)material is removed from the up a slope and placed at the base
 C)retaining walls are constructed and anchored into bedrock
 D)rock bolts are fastened to stable bedrock
 E)material is removed from the base of a slope

Question 2

The chemical formula of calcium carbonate is CaCO3. The number three (3 ) in this formula represents the ratio of ____ in the mineral.
 A)calcium atoms to carbon atoms
 B)oxygen atoms to carbon atoms
 C)carbonate atoms to oxygen atoms
 D)oxygen electrons to oxygen atoms
 E)carbon electron to oxygen atoms

[jxjsniuniu]

Answer to Question 1

B

Answer to Question 2

B

[joesmith1212]

Excellent

[duy1981999]

Thanks for the timely response, appreciate it