Which of the following is a true statement about objects in a vacuum?
a. a feather will fall faster than a bowling ball.
b. a feather will fall slower than a bowling ball.
c. a feather and a bowling ball will fall at the same rate.
d. both a feather and a bowling ball can't fall, but will always remain motionless.

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.