Can someone tell me if my answer is correct. Does a hypothesis need to be correct for an experiment to be a success? Explain why or why not?

My A hypothesis does not need to be correct for a successful experiment because if you're able to reject or validate your hypothesis you learn something.

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

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?