What would you describe to be your most unique or special skill that differentiates you from everyone else?

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

The goal of __ painters was not to make a photographic representation of a subject, but to capture the impression of a particular moment in time a) still artist b) realist c) impressionist

Read the excerpt and answer the question. the boards themselves seemed to remain upright not from being nailed together but rather from leaning together, like a house that a child might have constructed from cards. what best describes the figurative language in the sentence above? idiom simile onomatopoeia personification