Which of the following describes the reaction in a hydrogen fuel cell? a. 2h + o h2o b. h + h h2 c. 2h2 + o2 2h2o d. 2h2o 2h2 + o2

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.