One way to encourage the use of renewable energy would be if the ...

[jerry coleman]

One way to encourage the use of renewable energy would be if the state government
  offered subsidies to businesses and individuals who utilized sources of power alternate to
  fossil fuels, such as wind power, solar power, geothermal electricity, and ___.
 
  a. sustainable
  b. recipients
  c. biogas
  d. consumptions

Question 2

Therefore and because are two transition words used with the ___________ method of
  development.
 
  Fill in the blank(s) with correct word

[kjo;oj]

Answer to Question 1

c

Answer to Question 2

cause and effect

[jerry coleman]

Thanks for the timely response, appreciate it

[jackie]

TYSM