I am not sure but here is a link to help you :)
https://www.ncbi.nlm.nih.gov/pubmed/22322095
Answer:
A scientific hypothesis can become a theory if the hypothesis is tested extensively and competing hypotheses are eliminated.
Explanation:
So yeah if you have a lot of evidence and it is tested mutiple times it consider a theory.
Chemical weathring is most rapid in areas that warm and wet.
Hope this helps !
Photon