Astudent would like to determine how heating a liquid changes its volume. the student hypothesizes that the liquid will increase in volume. the following list shows the steps taken by the student in order to test the hypothesis. select the liquid to test. place the liquid in a sealed container. use a bunsen burner to heat the liquid by 10°c. measure the volume of the liquid. record the results. what is wrong with how the student conducted the investigation?

The volume of the liquid should be measured before it is heated.

Explanation:

During an experiment to test how a variable changes a substance, it is important to first observe and record the characteristics of the substance before the variable is introduced. In this case, the variable is heat energy. The student must first record the liquid[?]s volume, before attempting to change the volume by introducing heat energy.

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min