The scientist's hypothesis that all of the continents were previously one large continent until something caused them to move apart is called supercontinent continental drift origin of continents pangaea

Suggest two reasons why irrigation is important for human development of the desert (4 marks)

The declining axolotl population in mexico city is an example of in overcrowded cities. a. the surpassing of support capacity b. changes to natural environments and native species c. the lack of safe homes and tenured spaces d. the effects of a growing urban heat island

How far is a geographic second? a.) around 100 feet b.) around 1,000 feet c.) around 5,000 feet d.) none of the above