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MOTHER EARTH

1.What is caused by the gravitational pull of the Moon and Sun on Earth?
The tides
2.In geology what is the term used for the layer between the Earth’s crust and the core?
The Mantle
3.Which gas forms about 78% of the Earth’s atmosphere?
Nitrogen
4.The lowest part of the Earth’s atmosphere, where we live, is called what?
The Troposphere
5.The circumference of the Earth at the Equator is approx. A) 30,000km (18,642 miles), B) 40,000km (24,856 miles) or C) 50,000km (31,069 miles)?
B) 40,000km
6.What is the name of the effect that deflects winds and currents as a result of the Earth’s rotation?
The Coriolus Effect
7.What name do Geologists give to the epoch that included the present time?
The Holocene
8.In the distant past what was the name given to the Super-Continent that made up the majority land mass of Earth?
Pangaea
9.What is the name for the study of Continental Drift?
Plate Tectonics
10.How long does it take, approximately, for light to travel from the Sun to the Earth?
About 8 minutes