Scientists believe that the earth's atmosphere has been in existence for over 3.5 billion years. This is based on the fossil records that are found which date to so many years.
When humans evolved and realized they were standing on something.
because that is how long the earth takes to make 1 full rotation on its axis
You do not say what will harm the earth. The earth is a dynamic planet, if it did not have the processes which cause earthquakes and volcanoes it would be a dead planet. While earth stays dynamic, constantly active, it is the perfect place for us.
Ever since the earth formed, about 4 billion years ago.
It is 25 miles long.
No. Sharks appeared on earth long before the first dinosaurs did.
every since rocks came 2 earth along with mud pies
in the ice age the mammoths were the first elephants
When the Earth first formed, a day was about 6 hours long.
Symptoms of listeria infection can appear within a few days to a few weeks after being contaminated with the bacteria. In some cases, symptoms can take up to 70 days to develop, depending on the individual's immune system and the amount of bacteria ingested.
on the 12th of march
A Long...Long....Long....Long......Long....Long.....Long...Long.......Long.....Long....Long..Long Time Ago XD
Because they are a VERY long way away.
bacteria usaly grows in drack,moist andwarm places it can also form in foods or liguids left out to long
About 230 million years ago.
Dinosaurs stated to appear 240 million years ago.
Not long. My Charizard was the first one I found, and its at lv.100