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El Niño
You may have heard or read about El Niño in a weather report. El Niño causes changes in weather. But what is El Niño? To answer this, first we have to talk about what happens … Read more
You may have heard or read about El Niño in a weather report. El Niño causes changes in weather. But what is El Niño? To answer this, first we have to talk about what happens … Read more
Australia and New Zealand are two countries in the Southern Hemisphere. These countries have a variety of geographic regions. They also have many ecosystems. An ecosystem is an area where plants, animals, and the environment … Read more
Maria Telkes was a scientist and an inventor. She studied physical chemistry. Telkes learned that heat from sunlight could be used as energy. Energy from the heat of the Sun is called solar energy. Solar … Read more
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