Answer:
The length of the two wires
Explanation:
A control variable is what you keep the same through the whole experiment so therefore it could be both length and diameter
Smaller animals and or animals that eat vegetation.
Answer:
If you have something like an endoscope except controlled remotely doctors and healthcare workers could in essence use it as a sort of reconnoissance tool for diagnosing injuries and illnesses.
Explanation:
Answer:
Burning fossil fuels add pollution in the air and also its not a renewable source.
Explanation:
When you burn fossil fuels (oil, Coal, And much more) chemicals can pollute the air sorrunding the area. which causes climate change and more.
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