When your scalpel gets dull or is broken, it should be disposed of by a. Placing in the broken glass/sharps container
b. Thrown in the trash
c. Kept in your dissection kit

Phase changes are chemical changes. true or false

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon