proven

"I think it's an easy argument, it was really proven even more conclusively by the win that I had on this one."

But this approach has also drawn intense criticism, with questions about its effectiveness, as increased penalties have not been proven to reduce drug use.

Seeking to identify the causes of this sudden rise has proven a challenge for researchers.

However, converting methane to other compounds has proven difficult because getting it to react with other molecules usually requires high temperature and high pressures.

Lightning said this installment of the Women’s Rock ‘n’ Roll Fantasy Camp will be sure to have just as much emotional and positive, powerful impacts on the campers as previous efforts have proven.