Probably try go to a local library or maybe a friends house, or even a park.
Answer:
A) it makes a verb an adjective
Explanation:
It makes the verb an adjective because if you have "fast" and put in "-er" you'd get "faster". Faster would mean going more vigoriously than before, therefore describing the speed of "fast"
d primary sources are what the rely on
Your answer is B...............................................
