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does chewing gum really stay inside you for years

Chewing gum is made from synthetic chemicals that the body can’t break down. ... read more

what is life

Look around you. All the stuff, or matter, in the world is either living or non-living. Stuff such as rocks, metals, plastic, water, and air are non-living. ... read more

how we use animals

Humans use animals for a wide variety of purposes. Animals such as dogs, cats, and hamsters can be family pets. Horse racing and dog shows can provide entertainment for people. Scientists study animals. Some animals are eaten as food. Humans use many different products made from animals. Farmers raise... read more

animal adaptations

Animals have to adapt to the world in which they live in order to survive. Every species of animal has a different way of surviving. Species develop better ways of dealing with their environment over time. Traits that help an animal survive are passed on to the next generation. Traits that are not nee... read more

why do computers use binary code

The ones and zeros of binary code are the native language of computer chips. ... read more