How is sea or ocean water useful to us, even though it is salty?

How is the study of plant anatomy useful to us?

Why is there a shortage of water even though it occupies about 71% of the earth's surface ?

How is excretion in plants useful to human beings?

How is photorespiration useful to plants?

…………is used to make had water soft.

Answer the following question : Sea water tastes salty due to the dissolved salt. The salinity (the proportion of salts in water) of some water bodies Lonar lake - 7.9% , Pacific Ocean 3.5% , Mediterranean sea - 3.8% , Dead sea - 33.7% . Explain two characteristics of mixture from the above information.

Blue colour of water in sea is due to

Use your brain power! Why does the pitcher plant feed on insects even though it produces food by photosynthesis?