De Kooning used subtle brushwork and an analogous color palette to create rhythm and harmony. De Kooning used aggressive brushwork and bold colors to create emotional, provocative imagery.

De Kooning created convincing space that distinguished the figure from the background.

De Kooning created a black and white under-painting first, and then layered patches of color on top

De Kooning used aggressive brushwork and bold colors to create emotional, provocative imagery.

Explanation:

Willem de Kooning (1904-1997) was part of the Abstract Expressionism movement, which aimed to use painting as an expression of the artist´s emotions. Kooning´s work was characterized by his use of expressive, and even aggressive and frenetic, brushwork as well as by his radical use of bold colors to generate an emotionaly provocative imagery. Some of his most famous works are "Seated Woman" (1940), and "Excavation" (1950).

#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

happy to : )

comfortable

explanation:

one type of the adjectives is predicate adjective. a predicate adjective is an adjective which follows a linking verb and modifies or refers back to the main subject of that linking verb.

it usually is used just before the noun it modies.

here in this example:

'penguins seem comfortable in the coolest habitats', comfortable is the predicate adjective which follows the linking verb 'seem' and modifies the noun.