It can expand your life span
Other ppl would start becoming more positive
I'd say the correct answer is B, because 'in the desert is part of the subject/noun 'canyon', and modifies it, that is, refers to it, describes it in more detail.
1. I looked out of my bedroom window to the horses frolicking through the meadow.
2. This bank accepts deposits from children of any size, even elementary school!
3. The professor continued to make more and more astounding comments as he rose from his desk.
4. Yesterday, the landlord told all of the tenants that he was raising their rent.
5. My mother gazed with dismay as the contents of the broken jars oozed out onto the floor.
You could use the internet to tell everyone about your campaign and make it more out there to put her people
Well I have no clue, but I wish you have a great day and figure this out