Write one advantage of sea water.

Write two advantages of disease resistant varieties in plant breeding.

What is a fuel cell? Write its one advantage over other ordinary cells.

Write advantages of biogas.

Write the advantages of AC over DC.

Write some advantages of binomial nomenclature

Draw a labelled ray diagram of a reflecting type telescope. Write its any one advantage over refracting type telescope.

What is SCP? Write about advantages of SCP.