You are presented with the question "What can cause chemical weathering?" and the following answer choices: 
- bryophytes
 - moonlight
 - cacti
 - global warming
 - calcite
 - viruses
 - ferns
 - friction

Now knowing that moss causes chemical weathering and bryophytes are mosses, liverworts, and hornworts, choose the best answer.


 

 bryophytes        