I believe the cup within another would keep it warm the longest because it would insulate the heat within the main cup, that or you could just leave it in a microwave ^-^
Hope this sorta helps XD
The dark colored moths are beneficial in a polluted area because they have a lesser chance of being eaten since they blend into the trees polluted with soot.
Particles move in solid by packing close together and vibrating.
Explanation:
Hey there! Down here!
Four effects of heat are :-
- In electric Heaters
- In geysers
- In thermos [ a bottle type used to keep water at its nominal temperature when is was inserted]
- In Micro Oven and OTG's
Five examples of Conductors :-
- Graphite
- Silver
- Copper
- Alumunium
- Steel
Hope it helps :)