Joseph Henry in about 1835. He is American and he made something called a relay.
Answer:embedded computers are found in cats, appliances like light switches and voic actived tvs, security cameras, dvd players and elevators
Explanation:
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You'd want to look at the <span>glossary.</span>
Answer:
First: work out the difference (increase) between the two numbers you are comparing.
Increase = New Number - Original Number.
Then: divide the increase by the original number and multiply the answer by 100.
% increase = Increase ÷ Original Number × 100.
Explanation:
