I think they were discovered in guatamala but idk for sure
Okay, this just goes back to the civil war. one difference between the northern and southern was the idea of slavery.
Answer: The U.S entered the war because they were afraid communism was going to spread
Explanation: Hope this helps :)
Answer:
First described in 1880 by Pierre and Jacques Curie, piezoelectricity results from pressing or squeezing certain crystals, such as quartz, together, creating an electric charge. Piezoelectric materials can either conduct the charge or store it as a battery.
Explanation: