The primary energy flows and atmospheric mechanisms involved in the natural and enhanced greenhouse effect.

The six major terrestrial biomes of the world shown as representative landscape scenes.

The structural features and internal cross-section of an active volcanic lava stream advancing down a slope.

The cellular layers of a leaf and the pathway of carbon dioxide, oxygen, and water vapour exchange through a stomatal pore.

The image is a corrected version of an image I made sometime ago.

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Diagrama de un átomo de litio

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Cloud classification

Quiz