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What period do dinosaurs dominated the land?
Dinosaurs dominated the land from 200 Million Years Ago to about 66-66 Million Years Ago.
What was earths land mass called when it was one single land mass?
The single land mass that existed on Earth around 335 million years ago is known as Pangaea. It eventually broke apart to form the continents we have today through the process of plate tectonics.
How much of the earths land surface was covered by rainforest 100years ago?
Approximately 12 million square kilometers.
What happened on the Earth 420 million years ago?
No land animals (vertebrates) existed 440 million years ago. Lots of sea life, though. Bugs also started to appear about that time. Some scientists speculate a hypernova explosion may have caused a mass extinction of most of the life on Earth 440 million years ago.
What was the land mass 150 million years ago?
pangea?
When did vertebrates invade dry land?
350 million years ago
How was the land 200 million years ago?
pangaea
What year did plants form?
Around 1,200 Million years ago but it wasn't until around 450 million years ago land plants formed.
What happened to the land bridge?
The bridge was covered by the sea about 11,000 years ago.
When did the first land plants and animals appear in the fossil record?
The first land plants appeared in the fossil record around 450 million years ago during the Ordovician period. The first land animals, such as arthropods and insects, began to appear around 420 million years ago during the Silurian period.
How many years does it for glass to decompose in a land fill?
It takes about one to two million years for glass to decompose.
Do 10 and a half million more people live in Cairo than in Washington DC?
from two pieces of land colliding together where the earths crust is weak.
