answersLogoWhite

0


Want this question answered?

Be notified when an answer is posted

Add your answer:

Earn +20 pts
Q: How have levels of gas changed over billion years?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What process is thought to have changed genetic codes over billion of years?

evolution


Why have levels of carbon dioxide risen over the past billion years?

Less trees, more people, more pollution.


How has the word billion changed over the years?

Probably, almost every word in our language has been changed at one point or another and some have been adopted from other languages.


Over Earth history though the processes that occur on Earth have not changed the?

Over Earth's history, though the processes that occur on Earth have not changed, the physical conditions have. It is estimated that the Earth is 4.54 billion years old.


How has gymnastics changed over there years?

yes it has changed over many years


Why have fashions changed over the years?

Because people's interest has changed over the years.


How has wave rock changed over the years?

Wave rock has changed over the years because it has changed colour


How has te Atmosphere changed over the last billion years?

it has changed because more metors and space ships has gone up and has effected it so if you want to know go back to skool :-)


How have hats changed in shape style and material over the years?

has hats changed over the years


How long did it take for the earth to revolve around the sun in 2000 BC?

Earth's rate of revolution about the sun has changed very little over the past few million years. It is not likely to have changed significantly in several billion years. There is, however, evidence some of the planets have migrated inward and outward a bit since the time of their formation 4.5 billion years ago.


What is the name of the supercontinent that existed over 5 billion years ago?

There was no supercontinent back then. Earth is about 4.6 billion years old. It did not exist 5 billion years ago.


How have computers changed over the years?

Computers have changed in many ways over the years. Technology has advanced< and it has become more easy to do stuff!