Question

1) Which of the following alternative energy sources is NOT inexhaustible?

Answer 1

1 is c...geothermal

2 is d...all of the above

3 is d...the expense of large tracts of land in populated areas

Answer 2

1) I am pretty sure that f the following alternative energy sources which is NOT inexhaustible is D.Wind Energy. I choose this option because this type of energy can not be used completely or in full measure. 

2) The problems which are associated with the increased use of nuclear energy are being revealed by all the options attached to this question. As you can see, all the issues connected to increacing of nuclear energy are represented above the question, so the answer is D.
3) One problem with wind energy as a major source of electricity is  D. the expense of large tracts of land in populated areas. This is the major drawback of such source of renewable energy.