Complete the tabel below to show basic difference between chemical and nuclear reactions

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments

Which property of water causes water drops to bead on a freshly waxed car?