You are presented with the question "What is broken down from larger to smaller pieces by weather in weathering?" and the following answer choices: 
- glass
 - basalt
 - calcite
 - soils
 - fire
 - water
 - air
 - sand

Now knowing that weathering means breaking down rocks from larger whole into smaller pieces by weather and basalts are volcanic, micro-crystalline rock, choose the best answer.


 

  basalt       