Which of the Following Statements Is the Best Prediction Based

Multiple Choice

Which of the following statements is the best prediction based on the hypothesis that bird species have decreased in number in a particular wetland because of construction traffic?

A) If a wetland area is disturbed by construction vehicles, then the number of bird species will decrease.
B) If construction vehicles are in a wetland, then the birds will become too frightened to reproduce.
C) If bird numbers decrease in a wetland, then construction vehicles must have affected the environment.
D) If construction vehicles enter a wetland, then new predators will enter the area and reduce the size of bird populations.