One of the major economic problems in less developed countries is ...

[Metfan725]

One of the major economic problems in less developed countries is ________.
 a. deforestation
  b. neglected use of solar energy
  c. dependence upon imported oil
  d. increased emission of greenhouse gases.

Question 2

The first of two identical boxes of mass m is sitting on level ground. The second box is sitting on a ramp that makes a 20 angle with the ground. The normal force of the level ground on the first box is NL; the normal force of the ramp on the second box is NR. Which statement is correct?
 a. NR = NL = mg.
  b. NL = mg; NR = mg sin 20.
  c. NL = mg; NR = mg cos 20.
  d. NL = mg; NR = -mg cos 20.
  e. NR = -NL = -mg.

[medine]

Answer to Question 1

c

Answer to Question 2

C

[Metfan725]

Both answers were spot on, thank you once again

[medine]

Great! Please up vote