7) 7) All our food comes directly or indirectly from _______________.

8) 8) The earth turns round once every _____________ round the sun.

9) ________________ is the process of digging valuable rocks and minerals out of the ground.

10) _____________ is huge ball of white gases.

11) 11) ___________ is example of stem vegetable.

12) Pumpkin is example of _________

13) Dried grass is called ____________

14) Carrots, beetroot and parsnip are examples of __________,

15) __________ is used to build walls and roofs