Water is life

what all are the natural sources of water

• Rivers, Lakes, Ponds

• Tube wells ,Wells ,Canals

• Baolis , Piaos ,Irrigation

• whales and Dolphin

what is the other name of baolis

• canals

• tube wells

• step wells

• piaos

submerged plants

• duckweed ,water hyacinth

• hydrilla ,tape grass

• ferns ,moses

• water lily ,lotus

these plants are having weak roots and their leaf stalks are filled with air.

• weeds, corals

• coral reefs

• water lily

• duckweed , water hyacinth

what are the techniques of irrigation

• waterwheels , corals

• Canals , tube wells

• water lily

a aquatic animal which has lungs and has to come out of the water to breath

• Gold fish

• whales

• Dolphin

• duck

The biggest living structures on the earth

• corals reefs

• statue of liberty

• corals

frogs and salamanders are amphibians

• false

• true

ducks don't have special paddle-like legs

• false

• true

a animal which eats humans

• whales

• gold fish

• shark