Here is a picture of a circuit diagram: in the circuit diagram, what does the symbol made of two long lines and two short lines with a positive and a negative sign at each end represent? a. an electrical conductor b. a closed switch c. an electrical resistor d. a source of electrical energy

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted