Why is night dark?rnWhat is snow?rnHow do earthquakes happen?rnWhat is under the sea?rnThese and hundreds of other questions about the world around us are answered in this charming book. Simple, easy-to-read text and lively, detailed illustrations introduce the basic concepts of geography to young readers.rnrnÔùÅ Our Planet ÔùÅ What's Out in Space? ÔùÅ On the Moon ÔùÅ Looking at the…