All of the following are generally human causes of deforestation except urban use

B because a,c, and d are all reasons as to why people resort to deforestation.

Good scientific question has certaincharacteristics. It should have some answers (real answers), should be testable (i.e. can be tested by someone through an experiment or measurements), leads to a hypothesisthat is falsifiable (means it should generate a hypothesis that can be shown to fail), etc.