what are pucca house and kuccha house

 what are wild animals?

why do we need proper ventilation,sanitation and hygiene? 

PARAGRAPH ON AQUATIC ANIMALS AND THEIR HABITAT

 the igloo is strong or not?

why this houseboat move slow

 what aredomestic animals?

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what are houses

 where are houseboat used?

 why do we receive heavy snowfall during winters?

 what are houses?                                                                                                                                                                                                                                                                                         why are houses usefull to of us?

why have you put birds in the animal category

 what is a tree?

chapter a place to live in it's lesson 3 is not working why