17. What is the best example of a
material containing a mordant?
A
a blank paper
B
a red T-shirt
с
aluminum foil
D
car tires

Mordants include tannic acid, alum, chrome alum, sodium chloride, and certain salts of aluminium, chromium, copper, iron, iodine, potassium, sodium, tungsten, and tin. Iodine is often referred to as a mordant in Gram stains, but is in fact a trapping agent.\

so i think its b

Explanation:

the rhetorical devices that he used in "common sense" are syntax for his sentence structure and pathos for his emotion against the british unfairly treating the "americans" and logos of what documents that what happened to the pilgrims when they had the mayflower compact and how that the british were wanting to have one religion but the compact said for any religion to be accepted.

1. c- the tunnel project was worthwhile.

2. b- to inform about the value of the tunnel project