1: The sun is a friend of mankind. It provides light and heat for human beings and makes our life better. Although the sun can't talk, it can touch human beings through its own light. What has the sun done for mankind? The sun is a friend of mankind, providing us with light and heat and making our life better. Although the sun can't speak, it can touch human beings with its own light. The sun not only brings light to human beings, but also brings warmth to people. The sun is an indispensable friend of mankind.
2. What has the sun done for mankind? The sun provides mankind with very rich resources, including light energy, heat energy, biomass energy, wind energy and water energy. Solar energy is one of the most widely used energy sources, which can be used to generate electricity, heat and light energy. Solar energy is also one of the oldest energy sources used by human beings. Many ancient civilizations used solar energy to develop their own culture and economy. Solar energy is a kind of clean energy and will not produce any pollutants.
How can we make better use of solar energy? Some people may think that if we want to use solar energy, we must live in sunny places. But in fact, as long as there is sunshine, solar energy can be used. For example, you can use solar energy to dry clothes or towels, or even bask in the sun outdoors. In addition, you can also use solar energy to cook food. A common method is to use solar energy to bake food, such as baking cookies, sausages or barbecues. You can also use solar energy to steam food, such as steamed rice, steamed vegetable meat or steamed fruit. If you want to make better use of solar energy, you can also build a solar water heater or a solar generator. Solar water heaters use solar energy to heat water, while solar generators use solar energy to generate electricity. Both of these devices can help you save energy and a lot of money.
Thank the sun for giving us so much, let us know it better and use its energy to live a better life.
As we all know, the sun is the most important star on the earth. The light and heat from the sun can nourish life on the earth and provide important energy for mankind. The sun has made many contributions to mankind, and we should thank it.