How does the sum of forces help you

What happens to an isotope during radioactive decay?

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

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.