Justin notices a particular type of caterpillar feeds only on cottonwood trees in his neighborhood. in which way has justin increased his scientific knowledge? justin notices a particular type of caterpillar feeds only on cottonwood trees in his neighborhood. in which way has justin increased his scientific knowledge?
a. he has made observations about the natural world.
b. he has used technology.
c. he has performed a practical experiment.
d. he has performed an unethical experiment.