An electromagnet differs from a bar magnet as to make it become magnetic, an electric current is passed though copper wire. A bar magnet is continuously magnetic and does not need electricity passing through it.
It helps by knowing that subtract does the exact opposite?...
Answer:As sediment deposition builds up, the overburden (or 'lithostatic') pressure squeezes the sediment into layered solids in a process known as lithification ('rock formation') and the original connate fluids are expelled.
Explanation:
i really don't know the letter answer for it. but i hope this will help.
Answer:
Astronomers used the cross-staff for measuring the angle between the directions of two stars. ... Ships' officers used it to measure the elevation angle of the noontime Sun above the horizon, which allowed them to estimate their latitude
Explanation:
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