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The Continental Drift theory proposed by Alfred Wegener suggested that the continents were not always in the position that they are in today. The main piece of evidence is the jigsaw fit of the continents...

Governments typically introduce population control policies when their country’s population is underpopulated or overpopulated, or has an ageing or youthful population.

Underpopulated countries are...

Outline some of examples of soft and hard engineering techniques as well as their definition. Soft engineering advantages include: Relatively cheap, low maintenance, environmentally friendly and 'green', ...

This is where water enters the cracks on rocks and then during time of decreased temperatures the water freezes. As it freezes, the water expands which places a lot of pressure on the rocks around it. Thi...

Taking temperature as an indicator of climate, there have been huge changes over Earth’s history. Temperatures have been much higher at some points in the past than they are today. We can look at the geol...