You are presented with the question "When would animal burrows need replacing?" and the following answer choices: 
- the wearing away of rock
 - when the population is safe
 - when nothing has changed
 - when the animals are happy
 - building housing developments
 - a hemisphere is tilted away from the sun
 - Temperature changing
 - after too much water received

Now knowing that building housing developments usually requires replacing animal habitats and habitat Hairy-nosed wombats are terrestrial and build burrows, choose the best answer.


 

     building housing developments    