Other questions in this quiz

2. over 500 million years ago the earth was covered in

  • volcanoes
  • oceans
  • lava and molten rock
  • land

3. the earliest atmosphere is thought to have contained mainly....

  • nitrogen
  • neon
  • argon
  • carbon dioxide
  • carbonates

4. the earliest atmosphere was formed by....

  • volcano activity
  • animals breathing
  • global warming
  • plants decaying

5. what brought water to Earth?

  • concentrated water vapour and comets
  • rain just fell

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all Chemistry resources »