Start New Topic
  
  
  
Explore
Post homework questions online and get free homework help from tutors.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  356 People Browsing
  216 Signed Up Today
Poll
Which 'study break' activity do you find most distracting?
Talking / texting
Playing video games
Listening to music
Watching TV
Browsing the web
Napping
Other
If you would like to vote in this poll, please login or register

SlideshowReport
Oceanic Deposits
Login or register for free to download the original, unmarked image.
Previous Previous Next Next
Description
- Scientists extract deep cores of material that have been deposited over long periods, with more recent material constantly burying older material.

- Cores include the bones and shells of plankton and other animal life.

- The information contained in the oxygen in the calcium carbonate is most important for determining past climates.
Related Images