Question

Read the article and answer the questions below. Fuels of the FutureFor some schools, protecting the environment starts in the classroom. Participating in a zero-waste lunch is just one of many ways students at the school in Harrisburg, North Carolina, work to better the environment. Each April, the school organizes an Earth Day event. In 2007 the school went green. Being green means protecting the world and its resources. "It's very important to educate children about environmental issues," says principal Deanna Duncan. "If we don't take care of Earth, there isn't another one."A green school is built with recycled and environmentally friendly materials. Green schools are designed to use less energy than traditional school buildings.Here are some common environmentally friendly energy alternatives.Solar Power: Solar energy can be converted into other forms of energy, such as heat and electricity. California and Arizona are two states that use solar power. One drawback of solar power is that energy can't be collected if the sun isn't shining.Wind Power: Energy produced from windmills is used to generate electricity. The amount of electricity generated from wind has been growing in recent years, tripling since 1998 in the United States. Electricity is produced from wind in 30 states, including California, Texas, and Iowa.Water: Water power, or hydropower, is one of the oldest sources of energy. Hydropower often comes from dams or waterfalls. Of all renewable energy sources, it is most often used to generate electricity. In 2004, it accounted for 7 percent of all the electricity generated in the United States.Ethanol: Ethanol is a clean-burning fuel that can power cars. It is created from several sources, such as corn crops. Typically, a small amount of ethanol is combined with gasoline to fuel vehicles. That helps decrease the fuel's cost and dangerous emissions. a) What does ‘being green’ mean?b)Why is it important to take care of Earth? c)What is a drawback of solar power? d)What is one of the oldest sources of energy? *
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Answer 1

Resposta:a-green schools are made of recyclable materials,b-why is there only one land,c-why without sun without energy,d-hydroelectric

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