SOLAR SYSTEM

UNIVERSE

PLANETARY INTERIORS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The name of the single landmass that broke apart 200 million years ago and gave rise to today’s continents; the supercontinent the plates once formed
A
Pangaea
B
Laurasia
C
Gondwana
D
None of the above
Explanation: 

Detailed explanation-1: -From about 300-200 million years ago (late Paleozoic Era until the very late Triassic ), the continent we now know as North America was contiguous with Africa, South America, and Europe. They all existed as a single continent called Pangea.

Detailed explanation-2: -About 200 million years ago Pangaea broke into two new continents Laurasia and Gondwanaland. Laurasia was made of the present day continents of North America (Greenland), Europe, and Asia. Gondwanaland was made of the present day continents of Antarctica, Australia, South America.

Detailed explanation-3: -In 1912 Alfred Wegener (1880-1930) noticed the same thing and proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning “all lands"), and over time they have drifted apart into their current distribution.

There is 1 question to complete.