The Carboniferous period had vast swamp forests.

You are more likely to be struck by lightning than attacked by a shark.

Ancient glaciers carved valleys and fjords.

The Earth's surface is constantly reshaped by natural forces.

Dust storms can reduce visibility to near zero.

Water is the only common substance on Earth that naturally exists in all three states — solid, liquid, and gas — at everyday temperatures.

Deep-sea fish often have flexible bodies to withstand high pressure.

The sea turtle’s streamlined shell aids in efficient swimming.

The Amazon rainforest influences global rainfall patterns.