The answer to 1 is imagery because the description helps us to better see the thrush through its use of adjectives.
The answer to 2 is sight, because we see gray rather than feel gray.
The answer for 3 is "is" because "dictionary" is a singular noun, not a plural noun. There is only one dictionary.
The answer to 4 is "was" because "tourist" is a singular noun, not a plural noun. There is only one tourist.
The answer to 5 is "was" because there is only one Statue of Liberty. It is a singular noun.
Remember, the general rule for singular/plural nouns is that plural nouns are usually attached with an "s" at the end. Although there are exceptions, it helps with most nouns.
Answer:
Every time they are dirty.
Explanation:
If you don't change the towels out for the sandwich station every time they get dirty, it can lead to some food born illnesses that you can potentially give customers. If a customer gets a FBI, you can lose a customer, or get sued. It is always best to change them every time they are visibly dirty to prevent accidents like FBIs from happening.
D Decrease the population of Ireland. From A Modest Proposal "I can think of no one objection, that will possibly be raised against this proposal, unless it should be urged, that the number of people will be thereby much lessened in the kingdom."