Film critic Pauline Kael’s reviews are famous for their sharp challenge to the Hollywood establishment ______ she often dismissed the technical constraints directors faced, an oversight modern critics acknowledge.

Although photovoltaic cells are designed to absorb sunlight to generate electricity ______ their efficiency drops significantly when they are covered by dust or heavy snow.

Surveys conducted by the municipal library have been highly informative, notes director Elias Thorne, particularly when the questions allow for specific preferences: for instance, patron satisfaction scores rose by 20 percent after a digital form was updated to ask visitors whether ______ preferred e-books or physical copies.

In a 1961 treatise, urban planner Jane Jacobs identified the key components of a vibrant city neighborhood. Her criteria for safety and community were ______ to ensure "eyes on the street," to foster casual public contact, and to assimilate children into city life.

Generally, scratches and heavy wear will diminish the appraisal of a musical instrument ______ when that instrument was owned by a virtuoso like Niccolò Paganini, such imperfections can verify authenticity and increase value.

Ornithologists have discovered why Arctic Terns fly such long distances to the Antarctic during migration ______ the polar summer at the destination provides 24 hours of daylight, allowing for constant feeding.

Intense pressure and heat in the Earth’s mantle transform carbon atoms, altering their lattice structure. Occasionally, these forces create ______ a rare form of diamond with a hexagonal crystal structure found in meteorites.

Despite being biodegradable and derived from renewable resources, ______ production costs remain high, preventing their widespread adoption in the packaging industry.

Historian Sarah Bond uses the term "polychromy" to describe the painted reality of ancient Greek statues. Bond notes that museums long presented these figures as stark white ______ even though evidence of vibrant pigment was scientifically irrefutable, the monochrome aesthetic remained popular.

In a review of Miles Davis’s album Kind of Blue, critic Nat Hentoff noted that the music evokes a sense of "improvisational ______ a fitting characterization given the album's reliance on modal scales and spontaneous composition.