Q24 of 269 Page 122

A newly planted sapling usually grows and matures into a tree in more than:

A sapling is a tree seedling that has grown sufficiently to be planted in a Tree Patch.

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22

A good fuel is one which process :

 23

The fuel having a calorific value of 55 kJ/g is likely to be :

 25

Which of the following fuels has the high calorific value ?

 26

The fuel having the lowest calorific value is?