The scientist thought that the Earth was one big landmass surrounded by water. The called it ANDES.
Millions of years ago but scientists do not know the exact year.
Scientists have said that time slows down when you are in space. So if you are in space for 5 years. Then if you were on earth, 10 years would have already gone past. Scientists are still trying to figure out why time gets slow down. They think it has something to do with gravity, but they are still not 100% sure.
Plate Techtonics
Scientists hope the ozone layer will have recovered by around 2050.
I don't think scientists have proof and I don't think scientists believe the world will end in 2012. 2012 if the end of the Mayan 5000 year calander.
It was actually the Earth that was shaped in its orbit in the sun. Scientists estimate it was 4.5 billion years ago when the Earth was formed.
The earth has survived for millions of year through fluctuations of heat, cold, severe weather etc.
they were first noticed millions of years ago during the dinosaur time
Year around, scientists and people who support science, study the health of planet earth.
Earth solar orbit
The number of new species discovered by scientists in a single year can range from a few hundred to ten of thousands. With the number of species of plants and animals in the world estimated in the hundreds of millions, finding new species is relatively easy.
they make about 4.5 millions dollars a year u really think about it