You are presented with the question "What has a negative impact on the environment?" and the following answer choices: 
- harmful substances
 - weathering of soil
 - saving water
 - planting trees
 - deforestation
 - massive damage
 - recycling
 - enormous damage to homes

Now knowing that erosion of soil has a negative impact on the environment and weathering and erosion continue to shape it today, choose the best answer.


 

  weathering of soil       