Answer:
Energy.
Explanation:
Waves can travel through medium and can be without medium.
In electromagnetic waves the energy travels through vibration of electric field and magnetic field while in sound waves energy is transferred through vibration of particles through which sound waves are travelling or though vibration of air particles.
Answer:
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Explanation:
Microscopes make small things appear larger. C: Hans and Zacharias Janssen created the first microscope. and D: A lens is a transparent material that helps show the details of things observed.
Answer:
<u>Over the last century, the average surface temperature of the Earth has increased by about 1.0o F.</u>
Explanation:
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Answer:
Option C
Explanation:
According to the formula
So
If we use wide wire we increase the area of cross section so resistance decreases
