From the oceans
They believe that Indians used rock art as communication, tradition, telling a story using pictures, and just for their own entertainment.
Scientist think the day the world is going to end is on December 21st, 2012
Acceation of dust and gas about 4.5 billion years ago.
I have never heard that scientists think the sun will explode. I do know they predict that our sun will eventually burn out. But its so far away, it takes billions of years for the dark to reach Earth. So I'm not too worried about the sun blowing up or burning out.
an atmosphere an atmosphere
there are 5 layers of atmosphere.i think trposphere is the innermost layer of the atmosphere
The atmosphere contains over half of all the air due to the distribution of gases and particles in Earth's layers. The majority of the atmosphere is found in the troposphere, the lowest layer where weather occurs, which contains about 75% of the total air volume. The higher layers contain less air as the density decreases with altitude.
i think there isn't because of Uranus' atmosphere but scientists believe that deep in Uranus' atmosphere there is land
scientists found the fossils of triceratops
I think they are called meteorologists.
The Troposphere. That is where nearly all of the weather takes place.
Because scientists are so picky they needed to be seperated.
It may have oceans of liquid water under its layers of water ice. Scientists want to know if these oceans (assuming they are there) contain any forms of life.
there was no oxygen in Earth's early atmosphere.
It is too hot on Venus and the atmosphere is unsuitable. Also, there's no water.
You think probable to carbon dioxide.