Maria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero? a) 0 hours b) it was never zero. c) at 0 hours and 2 hours d) from .75 to 1.25 hours

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.