Which of these is not a way to harness energy from oceans?
Now, perform the same experiment again in glass jar from which air has been sucked out. Check again if both the paper and stone reach the bottom of glass har simultaenously. explain why , if the answer is 'yes' and why not , if the answer is 'no'. what conclusion do you draw from this activity ?
What are the limitations of energy that can be harnessed from the sea ?
