The graph shows the height above ground, in meters, of a ball x seconds after the ball was launched upward from a platform. Which statement is the best interpretation of the marked point (1.0, 3.9) in this context?.

As with other river deltas, the Kolyma River delta is _______; it is a constantly evolving network of channels and strips of land that change in size and shape as the river deposits new sedimentary particles where the river meets the waters of the East Siberian Sea.

Which choice completes the text with the most logical and precise word or phrase?

s = 40 + 2t

The equation gives the speed s, in miles per hour, of a certain car t seconds after it began to accelerate. What is the speed, in miles per hour, of the car 4 seconds after it began to accelerate?

The Apollo Moon landings (1969–1972) brought radiation detectors and equipment too heavy for liftoff to the Moon and produced large amounts of data. Researcher Philip Metzger, who is investigating the long-term effects of being on the Moon, continues to use Apollo’s data, demonstrating that the missions’ value to science is ____.

Which choice completes the text with the most logical and precise word or phrase?

Noting the correspondence of Leonardo da Vinci's Mona Lisa to his self-portrait in red chalk, artist Lillian Schwartz argued that the former is a self-portrait, too—that by mapping his own features onto those of its ostensible subject, Lisa del Giocondo, Leonardo depicted himself as a woman. Indeed, by subjecting both works to digital analysis, Schwartz _______ the two faces' structural resemblance.

Which choice completes the text with the most logical and precise word or phrase?