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The things that are changing in an experiment are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled
Explanation:
first of all our eyes recognise to train and send the message to our brain then our ears and then the brain send motor impulses to muscles of leg
Answer:
Someone plzz answer this i need the answer to.
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