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WATER HYBRID SYSTEM, AN ALTERNATE TO PETROLEUM Jakarta: Cars and motorcycles have the long-term effect of destroying the environment by depleting fossil fuel. On top of that, the emissions released from the combustion system of an automobile can also cause the greenhouse effect. Carbon dioxide and carbon monoxide are two greenhouse gases that damage our earth's atmosphere. They could cause certain vegetation to die off, the snow caps to melt, and the earth's atmospheric temperature to increase. Reducing the amount of these greenhouse gases will greatly help reduce these effects. That is why we need an alternative for petroleum. Researchers are currently working on environmentally friendly and inexhaustible energy resources: water. They have created a water-hybrid combustion system that converts vehicles to use water as a source of primary fuel. the engine derives fuel from hydrogen and oxygen, generated by the electrolysis of water. The only by-product resulting from the hydrogen and oxygen components of combustion within the engine is water vapor. Therefore, emissions are cleaner, with fewer polluting particles, as reported by Jinali Parekh. The technology existed back in 1805 when a Swiss inventor named Isaac de Rivaz made the first car powered by water. There has been significant development of the technology since then, but recently researchers at the Massachusetts Institute of Technology are working on the use of hydrogen from water as an alternative fuel to drive cars. "Reducing the amount of these greenhouse gases ..." (Paragraph 2) The underlined word is closest meaning to ...

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WATER HYBRID SYSTEM, AN ALTERNATE TO PETROLEUM

Jakarta: Cars and motorcycles have the long-term effect of destroying the environment by depleting fossil fuel. On top of that, the emissions released from the combustion system of an automobile can also cause the greenhouse effect. Carbon dioxide and carbon monoxide are two greenhouse gases that damage our earth's atmosphere. They could cause certain vegetation to die off, the snow caps to melt, and the earth's atmospheric temperature to increase.

Reducing the amount of these greenhouse gases will greatly help reduce these effects. That is why we need an alternative for petroleum.

Researchers are currently working on environmentally friendly and inexhaustible energy resources: water.

They have created a water-hybrid combustion system that converts vehicles to use water as a source of primary fuel. the engine derives fuel from hydrogen and oxygen, generated by the electrolysis of water. The only by-product resulting from the hydrogen and oxygen components of combustion within the engine is water vapor. Therefore, emissions are cleaner, with fewer polluting particles, as reported by Jinali Parekh.

The technology existed back in 1805 when a Swiss inventor named Isaac de Rivaz made the first car powered by water. There has been significant development of the technology since then, but recently researchers at the Massachusetts Institute of Technology are working on the use of hydrogen from water as an alternative fuel to drive cars.

"Reducing the amount of these greenhouse gases ..." (Paragraph 2)
The underlined word is closest meaning to ...

  1. keeping

  2. allowing

  3. managing

  4. decreasing

  5. converting

A. Setyawan

Master Teacher

Mahasiswa/Alumni Universitas Sebelas Maret

Jawaban terverifikasi

Pembahasan

Kata ‘reducing’ memiliki makna yang sama dengan ‘decreasing’ yakni ‘mengurangi’ sehingga pilihan jawaban (D) adalah yang paling tepat. Pilihan jawaban (A) salah karena artinya ‘menjaga’, (B) salah karena artinya ‘mengizinkan’, (C) salah karena artinya ‘mengatur’, dan (E) salah karena artinya ‘mengubah’.

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