Answer:
After he retires my grandfather plan to visit the base of Mount Everest and take a boat ride down the Amazon River
Yessssssssss this is correct!
The answer is b) Participle
Hope I helped.
(Brainliest would be greatly appreciated!)
I would say the answer is C
The answer would be “The fiat system of currency was a great improvement over the commodity and representative systems of currency.” so the answer is (b.)