Why is it said that - ?
(a) The ozone layer is a protective
shell of the earth.
(b) Water is life.
(c) Seawater is useful even though it is
not potable.
hello guys i am in 6th std plz give me the answer its of general knowledge
Answers
Answer:
a) because it protects the earth from ultra violet rays from sun
Explanation:
b) without water anything can't survive in earth
c) because it contains salt
Answer:
Hey mate here is your answer
a)ozone layer is a protective shell of earth because it stops the harmful sun's ultraviolet rays coming to earth.
(b)Water is life because Water is a natural resource that every human being on Earth can use to satisfy his or her needs. According to the well known facts, a perfectly healthy man or woman can live from 3 to 5 days without water. ...
(c)Sea water is usuable even though it's not potable because The plant life of sea, commonly known as phytoplankton, recycles oxygen for you and I to breathe. Seawater also moderates our climate. The monsoon comes entirely out of evaporation of seawater.In general Ocean, water is used for recreation as in swimming as well as boating. Saltwater evaporates into water vapor and it will become clouds then becomes rain as well as snow then lands on the ground watering the earth. Of course, it can be used for drinking purpose by filtering as well as cleaning.
Explanation:
Hope this helps you
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