Question

carlos reviewed the data on water use in the united states. carlos wanted to help conserve water, so he and his father fixed all the leaks in the house and garage. carlos hypothesized that if they fixed their leaks, they would not use as much water as before. what must carlos do to make this a real experiment? a determine his manipulated variable. b draw a conclusion from the data in the bar graph. c collect and analyze data before and after the leaks are fixed. d make a prediction about the amount of water used before fixing the leaks.

Explanation:

For a real - experiment, data collection and analysis of the situation before and after the variable (fixing leaks) is manipulated is crucial. This helps in determining if the hypothesis (less water use after fixing leaks) is supported or not.

Answer:

C. Collect and analyze data before and after the leaks are fixed.