Question

BA Exercises
nswer the following questions in brief:
) What is the theory of the origin of life on the earth?
) Mention any one use of water for living beings.
. Mention any two sources of freshwater.
) Mention any two sources of saline water.
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Answer 1

Answer:

2) it is used for taking bath etc.

2 sources of freshwater are rain,glaciers.

2 source of saline water is ocean,sea.

thanks.

hope it helps.

no idea about the 1st one sry.