Assume you are a climatologist analyzing carbon dioxide bubbles trapped in an ice core. the cross section of ice core you are looking at is 1 million years old. during your analysis, you find that there is a greater quantity of carbon dioxide in the ice core than there is today. what does this tell you?

The past climate was warmer than today.

Explanation:

Carbon Dioxide bubbles trapped in an ice core indicate the climatic changes and gases that are preserved in the ice from the past. Ice Cores holds records which continuous from the present back to thousands of years. The oldest records move back to 800,000 years. By studying the ice sheets from the past, it indicates the warmer climate in the past than today. The reason for the warmer climate can be an extensive release of massive amounts of methane or CO2.

since there isn't any suggested answers i will give you the reason and hopefully you can figure it

south africa, or rather all of africa, has not been in the location in which it is nowadays throughout the geological past. after the super-continent pangaea started to break apart, gondwanaland, in which was africa, moved further south, and parts of it came to be very close to the south pole. because the climate in this part of the world is very cold due to the very dispersed sun rays in there, what is now south africa, started to freeze, and the conditions were right for the formation of glaciers. the glaciers existed up until the period when gondwanaland started to break apart and what is now africa started to move towards north, sp it warmed up and the glaciers melted.