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To answer this, you need to pick up on the clues in the question. "Ohmic conductor" is explicitly mentioned twice, so this is likely to be important. You should know that for ohmic conductors, p...

Cobalt and Nickel

The fusing red giant shell drifts away form the core forming planetary nebula. Leaving only very hot core (white dwarf) (1) The core is hotter than the shell , the star moves left on ...

Note consider what type of heat loss is occurring1a) key word suggest Runner covered in sweat, when this evaporates it will reduce surface temperature (1)b) key word explain, remember...

Absorption spectra from distant galaxies consist of bands of coloured light crossed with black lines. The wavelengths of these black lines are shifted towards the red end of the spectrum when compared wit...