Help pls i don’t understand it’s confusing

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

What energy is it when you flip on a switch on a lamp