the density of seawater
more than that of rain water?
What is the importance of good soil
structure ?
What are the various uses of soil ?
What is the need and importance
of soil testing from the point of
view of farmers ?
What is the importance of air in
cransmission of sound?
Why should a glass bottle completely
filled with water never be kept in
1 freezer?
:
Visit a soil testing laboratory.
Learn the process of soil testing
and share it with others.
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Answer:
1. Yes,density of sea water is more than rain water because sea water contains salt in great number that of rain water
2. One should not keep glass bottle completely filled with water in the freezer because we water freezes it expand and it may cause breaking of glass bottle
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