Conventions of Usage

Although both leaders implemented sweeping economic reforms during the reconstruction era, President Alvarez's policies proved to be more effective than his predecessor, ultimately stabilizing the nation's currency. Which option represents the correct version of the underlined portion of the sentence?

Complete the sentence below by typing the correct word ('affect' or 'effect') into each blank.

Art restorers have recently turned to nanocalcite gels to consolidate fragile Renaissance frescoes. Applied to the painted surface in thin layers, the crumbling plaster is reinforced by microscopic calcium carbonate particles. This innovative method preserves the vibrant colors without altering the chemical composition of the original artwork.

Which of the following versions of the underlined portion is grammatically correct and best maintains the logical flow of the sentence?

The unique hunting strategy of the archerfish has long fascinated marine biologists. Operating in the brackish waters of mangrove swamps, this remarkable predator, in order to capture prey, shoots a jet of water from its mouth to knock insects off overhanging branches. The force of these aquatic projectiles, in addition to the fish's highly specialized eyesight, allow it to target and hit insects with remarkable precision from several feet away.

Which of the following options is the correct form of the underlined verb to complete the sentence?

Architectural historians have noted that the intricate geometric carvings decorating the palace walls are characteristic to the late Islamic style, which emphasized complex ornamentation over pictorial representation. Which choice best replaces the underlined portion of the sentence?

Read the sentence below. Which present-tense form of the verb 'to provide' correctly completes the sentence to maintain proper subject-verb agreement?

Read the sentence below:

Although the archaeologist claimed to have discovered the ruins of an ancient city, she could not find any physical evidence to collaborate her theory.

Which of the following options is the correct word to replace the underlined portion of the sentence?

The following sentence contains an underlined portion:

'Although Venus and Mars are both terrestrial planets with rocky compositions, Venus possesses a much denser atmosphere than that of Mars, which traps heat and creates surface temperatures hot enough to melt lead.'

Which choice best completes the sentence grammatically?

During the deep-sea expedition, the chief oceanographer instructed the research assistant and she to verify they're salinity data before publishing the report.

Which of the following is the correct form of the underlined portion of the sentence?

The following paragraph is from a historical report about deep-sea exploration.

In January 1960, Swiss oceanographer Jacques Piccard and US Navy Lieutenant Don Walsh boarded the bathyscaphe *Trieste* to attempt a descent to the deepest known point in the world’s oceans. During the historic 1960 expedition, the team of intrepid explorers, despite facing immense physical pressure, monitored the cabin instruments, recorded depth measurements, and observes the marine life outside the window. They eventually reached the ocean floor at nearly 11,000 meters, proving that life could exist in the absolute darkness of the abyss.

Which choice best maintains a consistent and grammatically correct verb tense throughout the paragraph?

Read the passage below:

Deep within the archives of the museum, a team of conservators works tirelessly to protect ancient artifacts. The preservation of these fragile silk scrolls, which requires a highly stable climate-controlled environment, demand meticulous attention to detail. Every fluctuation in humidity could cause irreparable damage.

Which of the following choices represents the correct form of the underlined word to maintain grammatical agreement in the sentence?

Based on the grammatical rules of comparison, which words should fill the blanks in the sentence below to make it grammatically correct?

The passage below is about computer pioneer Grace Hopper. Read the passage and determine the correct form of the verb 'reduce' to fill in the blank so that the paragraph maintains consistent verb tense. What is the correct form of the verb?

Many architectural conservators argue that while modern synthetic sealants offer immediate protection against moisture, their chemical composition is ultimately not conducive with the long-term preservation of historic sandstone.

Which choice is the most grammatically and idiomatically correct replacement for the underlined portion of the sentence?

The following passage is an excerpt from a biography of geologist Marie Tharp.

In the mid-twentieth century, geologist Marie Tharp painstakingly plotted thousands of sonar measurements to create the first comprehensive map of the Atlantic Ocean floor. At the time, most scientists believed the seabed was a flat, featureless plain. Tharp’s work, however, revealed a massive underwater rift valley splitting the ocean floor. Although her colleague, Bruce Heezen, initially dismissed her findings as 'girl talk,' he, along with several other skeptical members of the department, later realizes she was correct. The map they published in 1977 ultimately changed the way scientists understood plate tectonics.

Which of the following options represents the correct form of the underlined verb to maintain consistent verb tense in the passage?

Although both Marie Curie and Rosalind Franklin made groundbreaking contributions to chemistry, Curie's research was ultimately widely recognized, with her two Nobel Prizes rendering her legacy more celebrated then Franklin.

Which choice makes the comparison in the sentence grammatically correct and logical?

The deep-sea research team discovered that the hydrothermal vent organisms, which thrive in complete darkness, are entirely deprived from the sunlight that powers photosynthetic ecosystems near the surface.

Which of the following is the most grammatically and idiomatically correct replacement for the underlined portion of the sentence?

Based on the rules of grammatical comparison in English, which words correctly complete the sentence comparing the two types of construction materials?

The passage below describes the history of the Eiffel Tower. Which forms of the verbs in parentheses correctly complete the passage while maintaining consistent and grammatically correct verb tenses?

During the Renaissance, the guild of Florentine artists operated under regulations that were largely independent from the direct control of the ruling Medici family.

Which of the following options correctly replaces the underlined portion to maintain the idiomatic standards of English?