Name any three forms of energy which could be harnessed from the sea.

What are the limitations of energy that can be harnessed from the sea ?

Name any two types of energy.

Name any three protozoans.

Why is there a need to harness non-conventional sources of energy ? How can energy be harnessed from the sea in different ways ?

The gravitational pull of the moon causes the sea-water to rise periodically. (a) What name is given to the condition of the sea when its water is raised ? (b) What name is given to the condition of the sea when its raised water recedes ? (c ) What name is given to the energy which can be harnessed from this natural phenomenon ? (d) Draw labelled diagram to show how this energy can be harnessed from this natural phenomenon ?

In which forms is energy stored in oceans ? Mention any three forms that could be harnessed to obtain energy in usable form.

Name any two chief sources of energy in India.

Energy From The Sea

Name any three weedicides.