All the foods we call vegetables come from some part of a plant. Lima beans, peas, and kidney beans are plant seeds. Radishes, carrots, and beets are plant roots. Onions are plant bulbs. Potatoes…
Part of the modern city of San Juan, Puerto Rico, is Old San Juan. Here, the government has rebuilt and restored many old buildings and streets. Now, tourists and others can see what Old San Juan…
Have you ever wondered why certain kinds of airplanes are called jet planes? The word jet means a stream of something that’s shot out of an opening. And that’s how a jet plane flies—by squirting…
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