Fusion reactions occur between what kinds of elements? a. two very large nuclei b. two very large uranium isotopes c. very fast moving electrons ' d. very fast moving neutrons e. very small atoms

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Energy stored in the bonds that hold together the atoms and molecules of all substances is called a. kinetic energy. b. electrical energy. c. mechanical energy. d. chemical energy.