EasyReading and Writing· Standard English Conventions· None· MCQ
A scientist is writing about the origins of Earth's oceans. The scientist wants to include a sentence that describes the chemical composition of early oceans. Which of the following sentences would best accomplish this?
Which of the following sentences would best fit in the paragraph above?
A
The early oceans were thought to be much more acidic than the oceans are today, and the water would have been much warmer.
B
The early oceans contained a mixture of dissolved gases, including methane, ammonia, and hydrogen sulfide.
C
The early oceans were very salty, and there were very few life forms in them.
D
The early oceans were likely formed from the water that was released when comets and asteroids collided with Earth.
Correct answer: B
Explanation
Choice B is the best answer because it describes the chemical composition of early oceans, which is relevant to the scientist's topic. Choices A, C, and D describe other characteristics of early oceans, but they aren't as directly related to the scientist's focus on chemical composition.
Source: Reading and Writing practice questions from the OpenSAT community question bank, whose licence permits free use of the database.
View the official question bank →
OpenSAT items are community-written or AI-generated practice material, not official College Board questions; quality varies.
id opensat:f8f97590b7bc4b67d96a7fd74093ab31 · question 666672cc
· JSON