1) The microorganisms which contain chlorophyll
(d) all of these
2) A luminous flame appears
the metal which is not corroded by air, water and acid is (a)gold(b)zinc(c)copper
What role does friction play in the sport of your choice? Collect some pictures of that sport in action where friction is either supporting it or opposing it. Display these pictures with proper captions on the bulletin board of your classroom
Please fill in the Blanks.
a) Microorganisms help to recycle ---------------------back into the soil.
My Answer is in Fillup Nitrogen
Q87)acid rain can be caused by the burning of:
a)petrol b)CNG c)diesel d)coal
WHY DO FARMERS ADD MANURES AND FERTILIZERS TO CROPS?
why does rough surface have greater friction then smooth surface?
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