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worksheet 11
C ROP P RODUCTION A ND M ANAGEMENT Complete the following WORD PULE with the help of clues given below. 1 I 2 S 3 H 4 G 5 C 6 W ...
Work sheet 2
C OAL AND P ETROLEUM Fill in the blanks · Natural gas is stored under high pressure as · Earlier, it was used in railway . · Is also used as a fuel in various industries. · The slow process of conversion of dead vegetation into coal is called ...
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