Climate Change Over Time Quick Check
2 of 32 of 3 Items
Question
Drag the item to the correct location.(1 point)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Earth's most recent glacial period ended about Response area years ago.
The Great Oxygenation Event began about Response area years ago.
About Response area years ago carbon dioxide began increasing exponentially to unprecedented levels.
Earth's most recent glacial period ended about 11,700 years ago.
The Great Oxygenation Event began about 2.45 billion years ago.
About 150 years ago carbon dioxide began increasing exponentially to unprecedented levels.
Climate Change Over Time Quick Check
3 of 33 of 3 Items
Question
Select the correct answer from the list.(1 point)
Between 400,000 years ago until 1950, the levels of carbon dioxide in the atmosphere never exceeded
parts per million. Today, carbon dioxide levels have exceeded
parts per million.