Fresh foods keep their color and flavor for only a short time. You have to eat them soon after they are bought. Is your piece of apple pie homemade, or did it come frozen? Sometimes it’s hard to…
Amphibians are cold-blooded. Their bodies are just about as warm or as cold as the air or water around them. So when winter comes, and the days get colder, an amphibian’s body gets colder, too. The…
> Sound comes from just about everywhere— from friends talking, radios > playing, jet planes roaring overhead. Even your breathing makes a tiny > sound. > > None of these sounds seem very much…
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