EARTH SCIENCE
TECTONICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
the continents were farther apart
|
|
|
the continents were underwater
|
|
|
there was only one active volcano on Earth
|
|
|
The continents were connected
|
Detailed explanation-1: -According to Wegener’s theory, Earth’s continents once formed a single, giant landmass, which he called Pangaea. Over millions of years, Pangaea slowly broke apart, eventually forming the continents as they are today.
Detailed explanation-2: -In fact, 250 millions years ago the Earth’s seven continents were all grouped together into a supercontinent called Pangea. Just before the days of the dinosaurs the Earth’s continents were all connected into one huge landmass called Pangaea .
Detailed explanation-3: -Earth’s continents are set to merge into a single landmass over the next 250 million years, an animation shows.
Detailed explanation-4: -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.