A referee is a person who makes sure the players follow the rules at games such as football and basketball.
Something reflects light if it is shiny enough that the light hits it and bounces back off it. The man in the picture has sunglasses that reflect light.
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Scientific name: rangifer tarandus
Reindeer, also known as caribou, are a kind of deer that can be used for pulling sleds. Traditionally, Santa Claus' sled is pulled by flying reindeer.




















