Over this 10-year period, the benefit to cost ratio is A) 4 to ...

[rachel9]

Over this 10-year period, the benefit to cost ratio is
 
  A) 4 to 3.
  B) 3 to 4.
  C) 4 to 2.
  D) 2 to 4.

Question 2

Most oil is recovered from an oil field
 
  A) by relying on the natural pressure of the system.
  B) by simply pumping it out of the ground.
  C) only after using secondary or enhanced procedures that first generate pressure.
  D) by pumping freshwater into the ground and making the oil float to the top.

[nicoleclaire22]

Answer to Question 1

A

Answer to Question 2

C

[rachel9]

Excellent

[Dnite]

Gracias!