The engineer wants to change the design of the solar water heater so that it can heat water at a faster rate. what modification should he make to the design?

decrease the capacity of the pump
increase the surface area of the solar panel
increase the thickness of the tank walls
decrease the length of the cold water pipes

C

Explanation:

the thickness prevents the process from occurring as quick

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

answer; ///i believe its: ///(embolus);