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This test is run by .
Note that your final mark will not be saved in the system.

Geological Timescales Reorder

Running Total

Attempt

1 of 3

Drag and drop the boxes into the correct order.

Here is a list of things that have happened in the past. Can you put them in order, from the earliest to the most recent?

The end of the most recent Ice Age
Algae appear in the ocean
Human beings appear on Earth
Chalk formed from the shells of dead sea creatures
Rotting trees compressed and become coal
People do irreparable damage to the environment
Mammals flourish on the land and in the sea
The first fish swim in the oceans

This is your 1^st attempt! The marking algorithm gives more marks for getting the right order first time.

Pass Mark

70%