How are oceans beneficial to us in improving the quality of life?

Ocean is one of the important sources of living on earth.

They are helpful in many ways:

1. The high tides help the ships in navigation and arriving at shores easily.

2. High tides help the fishermen in catching fishes.

3. Ocean provides an ideal condition for the plankton which is food for marine life.

4. They are also useful in generating electricity through tidal energy.