Drag each item to the correct location to show when each occurred.(2 points)

Question

Event that occurred billions or millions of years ago Event that occurred thousands of years ago Event that occurred decades ago

responses
oxygen builds up in earths atmosphere
the last ice age ended
carbon dioxide levels reach their highest levels on record

Answer 1

Here’s how to categorize the events:

Event that occurred billions or millions of years ago:

• Oxygen builds up in Earth's atmosphere

Event that occurred thousands of years ago:

• The last ice age ended

Event that occurred decades ago:

• Carbon dioxide levels reach their highest levels on record