Which description is the evidence for the theory of plate tectonics but does not suggest that the continents were once connected?

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?

Stage in which a star’s outer layers have started to cool and grow outward?

Draw two cyclic constitutional isomers of cis-1