Which of the following would not cause habitat change?
a. building a dam on a river
b. a hurricane
c. introducing new hiking trails
d. none of the above

The points given in the question will not cause any change in habitat. so the answer to the question would be none of the above. The correct option among all the options that are given in the question is the last option or option "d". I hope that this answer has come to your help.