Talk about the type of energy you like best
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4 tháng 4 2018
Solar energy captured by solar panels is a limitless form of energy, as the earth is bombarded with extreme amounts of solar energy every day, according to the National Renewable Energy Laboratory. It's also clean, producing no carbon dioxide, and is very low-maintenance, since solar panels have no moving parts.
Unfortunately, the National Renewable Energy Laboratory says its high installation cost makes it up to four times more expensive than the cost of electricity from a standard utility company. For optimal operation and maximum energy production, it requires year-round sunny weather and is very expensive if repair is necessary, according to the U.S. Environmental Protection Agency.
7 tháng 12 2017
Talk about your house:
I live in a small house in Hue city.It's has 6 room.My house has 2 floors.It's surrouded by many tall trees.In the living room,it has a big TV and a small cupboad next to the table.In my bedroom,it has a big TV,a big laptop and a lot of poster of the movie Date A Live and it on the second floor.In the kitchen,it has 4 chairs and a big table in the middle of the room.In the bathroom,it has a mirror,a sink.I love my hourse so much
6 tháng 12 2017
5.Talk about one natural wonder you like best.
Ha Long Bay is a famous-spot í the North-east coát of Vietnam,belongs to Quang Ninh province 151 km far from Hanoi to the east.This is one of Vietnam's tourist destinations recognized by UNESCO as a special beauty including both excellent and romantic chảm.Tourist coming to Ha Long in any season of the year also discover its ơn seductive and charming beauty
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10 tháng 2 2019
When you flip on a light switch, the energy that brightens your light bulb may come from one of several potential energy sources. Different energy sources have varying advantages and disadvantages that don't just affect your utility bill but that may also have a global impact on air quality and environmental degradation.
Wind EnergyGiant wind turbines have begun to appear across North America. As wind hits the turbines, they begin to spin, and the resulting spin generates electricity that can power businesses, homes and other outfits. It provides energy without emitting greenhouse gas emissions. It's also very low-cost in the long run, as the U.S. Department of Energy estimates it to be one of the cheapest forms of renewable energy available, and it's inexhaustible as well.
However, some anti-wind activists argue that wind turbines are ugly, noisy, and dangerous to local bird species that may fly into the turbines, according to Middlebury Schools.
Solar EnergySolar energy captured by solar panels is a limitless form of energy, as the earth is bombarded with extreme amounts of solar energy every day, according to the National Renewable Energy Laboratory. It's also clean, producing no carbon dioxide, and is very low-maintenance, since solar panels have no moving parts.
Unfortunately, the National Renewable Energy Laboratory says its high installation cost makes it up to four times more expensive than the cost of electricity from a standard utility company. For optimal operation and maximum energy production, it requires year-round sunny weather and is very expensive if repair is necessary, according to the U.S. Environmental Protection Agency. Fossil FuelsFossil fuels like coal and oil are the most widely-used energy source in the world. It's typically the most plentiful, easily accessible and cheapest form of energy, according to Iowa Public Television.
However, Southern Polytechnic State University warns that fossil fuels are limited and will run out one day. Fossil fuels also endanger the environment due to the mining process and the greenhouse gas emissions produced while burning the fuel. Additionally, they may contribute to harmful side effects like air pollution and acid rain.
BiofuelsBiofuels are made from corn, sugarcane and other crops. Ethanol, widely used as a gasoline additive for powering cars, is a biofuel. It's renewable, grown domestically for greater energy security, and often produces less greenhouse gas emissions when burned, according to the National Center for Environmental Economics.
Unfortunately, growing the crops needed for biofuel may pollute the earth's soil and waterways due to farming processes and side effects like fertilizer runoff. Using crops for fuel may also use up vital food crops, and this can drive up global food prices.
- What you should do to save energy
There are some tips to save power which I think are very easy to apply. Firstly, we should use energy saving light bulbs in our house. It will help us to reduce our electricity bill. Secondly, we should use public transport if we need to go long distance. We can use bicycles for short distances. I think it is good for our health and economical. And remember, before going to bed, we should turn off all lights and other unused electrical devices. It's an easy way to save our planet.
hơi dài nghen bạn thông cảm
As we all know, there are many types of energy in nature that can help human life. But my favorite is solar energy, it helps us tremendously. Humans are facing an energy crisis where our lifestyles depend on access to energy. Modern life is built around energy. Energy can be obtained from many sources, but the most abundant source of energy is the energy that shines down on us from the sun. Wind, hydroelectricity and biomass energy all attract attention. But the source of energy leading the global energy transition is solar energy, solar power emerging as the largest new generation source of electricity, beating all other sources of clean energy and based on fossil fuels. And solar energy will remain the dominant source of clean energy for the foreseeable future. All in all, I love the clean energy that makes our lives more fresh, green - clean - beautiful.