SAT Pastpaper with Solutions

Which choice best states the function of the underlined portion in the text as a whole?

Text 1
For decades, ornithologists assumed that if they saw a singing Bell's vireo a bird species found in temperate North American they must be observing a male. That's because birdsong has long been considered a male trait; researchers have argued that males to attract mates and claim territory.
Text 2
Recent evidence shows that a female Bell's vireo is as capable of song as a male is. In fact, Karan I. Odom and colleagues found evidence of female song in 71% of the 323 species they examined. They claim that the historical mischaracterization of birdsong as a male trait is largely the result of bias: much of the research ornithologists have carried out has been near universities in the temperate northern hemisphere, where female birdsong is less common than it is in the tropics.
Based on the text, how would Odom and colleagues (Text 2) most likely respond to the view of bird song presented in Text 1?

Based on the text, what can most reasonably be concluded about krill consumption among Antarctic minke and bowhead whale?

A run-of-river hydroelectric power plant, as the name suggests, uses the natural flow of a water source to generate electricity but is unable to start or stop that flow through its generator. In contrast, a peaking hydroelectric power plant (used when demand for electricity peaks) controls the flow of water through its generators: starting flow when demand is high enough, stopping it when demand is too low, and otherwise regulating it to keep pace with changing electricity needs. Although peaking plants do not tvpicall operate continuouslv as run-of-river plants do, peaking plants can generate more megawatt hour of power per year (MWh/yr) than some run-of-river plants. For example, the
Which choice most effectively uses data from the table to completethe example?

It is common for freshwater lakes near or above a latitude of 45° north of the equator, like Lake Miosa in Norway, to accumulate surface ice in winter. The amount and duration of ice depends on many factors, including local weather conditions as well as the lake's depth, volume, and surface area, but a climate researcher claims that some lakes in these latitudes have seen a decline in the duration of ice between the early 1980s and the mid-2000s.
Which choice best describe data in the table that support the researcher's claim?

Callie W Babbitt, Hema Madaka, and colleagues assembled a database of materials used in consumer electronics by studying products in the lab and by gathering data from similar product studies. The team gave each of these studies a rating for level of traceability (with a higher rating for clearer description of procedures) and for category consistency (with a higher rating for using materials categories more closely aligned with the categories in the team's database). Based on these ratings, a second research team concluded that the methodology was better explained in a study by laco Huisman and colleagues than it was in a study by Oguchi Masahiro and colleagues.
Which finding, if true, would most directly challenges the second research team's conclusion?

In June of 1987, South Korean liberalized its stock market, meaning that it began allowing foreign individuals and businesses to invest money in South Korean companies. This was part of a wave of stock markets liberalization from the mid-1980s through the mid-1990s-Brazil in 1988, Venezuela in 1900, and so on. In an analysis of economic data from 1976 to 1993, Ross Levine and Sara Zervos found that liberalization did not lead to enduring increases in investment in companies based in countries that liberalized. Peter Blair Henry, however, found that, on average, investment in companies in liberalized countries increased significantly in the three years following liberation. Taken together, these results suggest that_________
Which choice most logically completes the text?

• Grimanesa Amoros is a Peruvian American artist.
• She is well known for her large-scale LED light sculptures.
• Argentum debuted in 2018 at the Bronx Museum of the Arts in New York City, New York.
• It is made of iridescent multicolored LED domes.
• It occupies 253 cubic feet of space.
Which choice most effectively uses information from the given sentences to emphasize when and where Argentum debuted?

• Calida Garcia Rawles is an African American painter.
• She is known for her large-scale, hyperrealistic paintings depicting African American figures in water.
• The painting Lightness of Being (24 × 30 in) depicts a young man with his arms outstretched floating on the right side of the canvas.
• Lost in the Shuffle (36 × 24 in) depicts two young men with their arms outstretched floating in the bottom left and upper right conners of the canvas.
•She paints the water with vivid blue colors, including sky blue and indigo.
• The mood in the painting is calm
Which choice most effectively uses information from the given sentences to emphasize the location of the figures in Lost in the Shuffle?

• Ynés Mexía was a Mexican American botanist.
• Between 1917 and 1938, she collected over 150,000 botanical samples throughout the Americas.
• She collected a sample of Trixis antimenorrhoea in Minas Gerais, Brazil, on June 26, 1930.
• She collected a sample of Stephanomeria thurberi in Chihuahua, Mexico, on May 27, 1929.
• These specimens are members of the Asteraceae family.
• They can now be viewed online at the C.V. Starr Virtual Herbarium.

 
Which choice most effectively uses information from the given sentences to emphasize when she collected both of the samples?