It would fall under Mathematics
Decades. 10 years is a decade
Answer:
The generator will work only if the magnetic field associated with the turns of coil change.
here both magnet and coil are stationary with respect to each other so no electromagnetic induction would take place. so no indiced current will be produced.
the student has to introduce some mechanism either to rotate the coil or the magnet
Mechanical and Chemical. (Weathering and erosion)
The age of the oldest stars
,
Patterns of background radiation
,
How fast distant galaxies are moving away from us.
