What is the source of energy in nuclear weapons? O A. Combustion
O B. Fusion
O C. Gravity
O D. Fission

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.