Section D  Read this paragraph and answer the two questions below. Hydrogen is gaining attention as a potential clean energy source and many would argue that it should have a place in any future energy landscape. Unlike fossil fuels, hydrogen produces only water when burned, making it environmentally friendly. It can be used in various applications, from powering vehicles to generating electricity in fuel cells. One major benefit of hydrogen is its availability; it can be produced from water using electrolysis, especially when renewable energy sources like wind or solar power the process. Additionally, hydrogen energy storage can help balance supply and demand in power grids. However, there are challenges. Producing hydrogen is currently expensive and energy-intensive. Also, the infrastructure for hydrogen distribution and storage is underdeveloped, requiring significant investment. In addition, hydrogen is highly flammable, which leads to safety concerns. Despite these challenges, hydrogen holds great promise for a sustainable energy future, provided these issues can be addressed through technological advancements and supportive policies. Questions 10-11. Choose A, B, C or D as the best answer. 10. Why is hydrogen a promising energy solution from an environmental point of view?

Question

BlackTom AI · Accepted Answer

The prompt asks: Section D Read this paragraph and answer the two questions below. Hydrogen is gaining attention as a potential clean energy source ... Questions 10-11. Choose A, B, C or D as the best answer. 10. Why is hydrogen a promising energy solution from an environmental point of view?

First, I will restate what the provided information says about environmental impact. The passage explicitly states that hydrogen, when burned, produces only water, which is highlighted as a key environmental advantage. This is the core reason that hydrogen is considered environmentally friendly in the context given.

Option evaluation:
- If the option were something like: 'It only produces water when burned.' This directly reflects the passage’s claim about environmental benefit and would be considered correct based on the text. The statement captures the environmental advantage highlighted by the author, namely the lack of greenhouse gases or pollutants from its combustion products.
- If there were an option suggesting other environmental drawbacks or dismissing the water-byproduct claim, that would be inconsistent with the specific environmental point emphasized in the paragraph and would be incorrect.
- If there were an option claiming hydrogen is environmentally beneficial due to things other than its water-only combustion (for example, zero production emissions during manufacture, or universal availability), such statements would either be extraneous to the text or overgeneralize beyond what the paragraph asserts.

Because the given answer indicates 'c. It only produces water when burned,' we can connect this directly to the paragraph’s statement and recognize it as the environmental rationale presented by the author. The environmental appeal rests on the emissions profile of hydrogen combustion being water, rather than CO2 or other pollutants typical of fossil fuels.

Note on missing options: The provided data does not include the full list of answer choices (A, B, C, D) for question 10. In a complete item, we would compare each option to the paragraph, identifying which one accurately reflects the environmental justification described. As presented, the central environmental argument in the text is the water-only combustion, which aligns with the stated correct answer.

In summary, the environmental friendliness of hydrogen in the paragraph comes from its combustion byproducts being water, which reduces harmful emissions compared with fossil fuels. This aligns with the identified correct statement that hydrogen only produces water when burned.

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