Difficulty: Easy

Average Score: 100%

Read the passage(s) below and answer the question on the basis of what is stated or implied in the passage(s) and in any introductory material that may be provided.
Passage
During the process of photosynthesis, algae produce a small amount of hydrogen gas. Recently, microbiologists funded by the Department of Energy figured out how to create mutant versions of algae that generate much more hydrogen. You are probably wondering why the Department of Energy is funding this research. The answer is that the hydrogen produced by algae could one day be used to provide energy to entire cities.

What assumption does the author of the passage make?

Rationale

Readers do not associate the Department of Energy with algae research.

The author implies that there is a disconnect between the readership's perception of the Department of Energy and its involvement in algae research, as this assumption is central to the argument made in the passage regarding public awareness of energy sources.

A (Gases produced by algae will be cheaper to produce than other gases.) YOUR ANSWER

This choice makes a specific economic claim about algae-based gases that is not addressed in the passage. The author does not provide any information or evidence to support or refute the cost-effectiveness of gases from algae compared to other sources, focusing instead on public perception.

B (The Department of Energy is already using hydrogen-producing algae as a source of energy) YOUR ANSWER

This option assumes a current operational status regarding the use of algae by the Department of Energy, which is not mentioned or implied in the passage. The text instead discusses public perceptions and assumptions rather than the actual state of research or implementation.

C (Mutant versions of algae will not be capable of the process of photosynthesis) YOUR ANSWER

This choice introduces a scientific claim about mutant algae that is irrelevant to the main discussion of public perception and awareness. The passage does not mention mutant algae or their capabilities, thereby making this assumption unfounded in the context provided.

Conclusion

The author's assumption centers on the perception gap regarding the Department of Energy's research on algae. By suggesting that readers do not associate this governmental body with algae research, the author highlights a potential lack of awareness that could influence public discourse on alternative energy sources. Understanding this disconnect is crucial for assessing future developments in energy solutions involving algae.

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