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The elementary mathematics lesson requires the concrete-to-abstract education principle as required by the age of students. Today's technological developments provide great opportunities for teachers...

With the increasing population in the world, consumption has increased rapidly. Our resources cannot keep up with the increasing needs. The balance of the world is disturbed. In this case, the...

Climate change results in conditions that are too hot, too dry and too wet, causing a rise in sea levels and an increase in the number of extreme events,such as storms, floods, droughts or landslides...