Correct + best explanation gets brainliest which of the following describes how background research in the design of an experiment? a. it provides a final opportunity to cancel an experiment before it's too late. b. it provides information about why certain measurements are made in an experiment. c. it provides a confirmation that no else has ever done in the exact same experiment. d. it provides a good opportunity to talk to other scientists about their life's work.

B. It provides information about why certain measurements are made in an experiment

From experience, to be able to have background research helps in the design of an experiment because it would tell you what is being measured in a experiment. Without the background information, my whole class got lost on what to do until my teacher told us what we had to measure and how we could measure the experiment.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.