Can Crocodiles Cry?
Sorry, this item is now out of stock.
The sea is salty because minerals (including salts) wash down to the oceans through rocks and up through vents in the ocean floor. Icebergs, conversely, are made of fresh water from glaciers and compacted snow. This book reveals a host of such fascinating facts in answering hundreds of baffling questions about science, the world, the universe, the human body and the animal kingdom.