continents

1. The large parts of the surface of the Earth that rise above sea level. The seven major continents are Africa , Antarctica , Asia , Australia , Europe , North America , and South America .

Notes

According to the theory of plate tectonics , continents move along piggy-back on the tectonic plates like rafts floating on water.

Continents are made from the lightest rocks in the Earth. Some of these are also the oldest known rocks on Earth, with an age of 3.5 billion years, measured by radioactive dating .

Example Sentences

Reporting in Surveys in Geophysics, the researchers suggested the shift could indicate Earth's continents have entered a persistently drier phase.

From Science Daily

Jumping off it is among the first of a series of extraordinary risks Afghan migrants take as they cross continents, countries and seas to reach the UK and other countries in Europe.

From BBC

One day it will crisscross continents that don’t yet exist, coming to rest in the Natural History Museum of Los Angeles County.

From Los Angeles Times

Mr Podmore describes this training as “totally inadequate”, and “the worst and shortest of any jurisdiction I have observed over five continents”.

From BBC

He attributes his condition to having moved over 50 times across three continents in 30 years.

From BBC