What type of circuit is most common in household wiring?
a. open circuit
b. parallel circuit
c. series circuit
d. combination circuit

Explore the ways that boundaries influence identity, interaction and exchange. things to consider: what is the race/ethnicity. how easy is it to interact/trade with others.

Distance that the transcontinental railroad covered from omaha to san francisco.

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals