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We can produce bioenergy from food waste, manure, and other organic substances
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Bacteria break down these organic substances, and methane is released
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We collect methane and then use it to produce electricity and heat
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We can also make methane into biomethane, called renewable natural gas (RNG)
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We can use renewable natural gas (RNG) as a vehicle fuel
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We use bioenergy, and this limits the amount of methane released into the air
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We can reduce our dependence on fossil fuels by using bioenergy
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Most ocean waves / be formed as wind / blow over the ocean surface
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Wave power / be turned into electricity / use special equipment / place on the ocean surtace
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height, length, / speed of waves determine / energy production
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In addition, this type of energy / be very clean because / not release CO, / any harmful gases
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Wave energy / be also renewable and reliable, / never run out as there / always be waves and wind
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In short, wave energy / be renewable and / have fewer effects / the environment
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Unit 5: Global warming
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VI. Writing (trang 46, 47 SBT Tiếng Anh 11)
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Look at the incomplete leaflet. Write two paragraphs of 60-75 words each to complete it
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Oceans cover nearly two thirds / earth's surface, so wave energy / be widely available
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Wave energy / be the energy / come from ocean waves
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Bioenergy as a form of renewable energy comes from natural sources
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V. Speaking (trang 45 SBT Tiếng Anh 11)
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Talk about why we should use renewable energy. Use the suggested ideas in the box to help you
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Nam: If I (1) were you/was me, I wouldn't burn the dry leaves in the garden
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IV. Reading (trang 43, 44 SBT Tiếng Anh 11)
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Most of our energy comes from fossil fuels. Burning them increases the amount of greenhouse gas
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Hopes for the future Methane emissions in Canada and Brazil
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Affected/Affecting badly by soot produced by their old coal stove, they decided to switch to
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Waited/ Waiting for his classmates. Tuan made some changes to their presentation on deforestation
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Burt/Burning in open fires, rubbish, and organic waste produce a great amount of black carbon
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Encouraged/Encouraging by students' interest in climate change, the Green Club members
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When cut/cutting down, trees release a lot of carbon dioxide into the atmosphere
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Done/Doing research on climate change, Mike became interested in environmental studies
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Used/Using widely for cooking and heating, sunlight and wind can reduce use of fossil fuels
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Sea levels will continue to rise if global warming is not limiting
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If carbon emissions reduced, the impact of global warming will be less serious
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Flooding during the heavy rain, our house took a week to dry up
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Affecting by climate change, some regions are experiencing extreme heat
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If we using more renewable energy, the price of natural gas and coal will go down
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To be a powerful greenhouse gas, methane causes nearly a third of today's warming from
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Been cut down or burnt, trees release the carbon they store into the atmosphere as CO2
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There is a mistake in each sentence. Find the mistake and correct it.