Question

read the paragraph, then choose the word that best completes the sentence. scientists want to study jupiter because the planet may hold clues about the formation of the solar system. according to scott bolton, an astrophysicist at the southwest research institute in texas, jupiter is like a time capsule. many astronomers theorize that jupiter was the first planet in the solar system to form. they believe that jupiter got most of the mass that remained after the suns creation, and its enormous gravity field has enabled it to hold on to that original material. astronomers also believe that this is why the planet is so immense. jupiter is so big that it could contain everything in the solar system, minus the sun. scientists believe jupiter could be _. a reactive b lusterless c informative d polluted

Explanation:

The passage states that scientists want to study Jupiter as it may hold clues about the formation of the solar - system. This implies that Jupiter can provide information. "Informative" means providing useful information. The other options "reactive", "lusterless", and "polluted" are not supported by the context of the passage which focuses on Jupiter's potential to yield information about the solar - system's formation.

Answer:

C. informative