Biology, 06.09.2020 01:01, hayyeet

The picture below shows the setup for an experiment involving a 1000 ml beaker, sitting on a burner, filled with 500 mL of water, where the burner represents the Sun's energy, and the beaker of water represents Earth's oceans.
1000 ml
500 ml
Bumer
During the experiment, black pepper was added to the water as it boiled strongly, and the pepper moved in a circular pattern from the top
of the water to the bottom and back again. What does the circular pattern of the pepper represent?

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The picture below shows the setup for an experiment involving a 1000 ml beaker, sitting on a burner,...