Atransformer is a device that has a primary and secondary coil and is used to change the voltage of electric current. true or false


a. carbon monoxide from car exhaust

b.particulate matter, such as soot

c.water vapor from a factory smokestack

d.acid rain

these are the answer choices im on that question right now

the closer the planet is to the sun, the larger the gravity

That's definitely true
That's definitely true

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