Add spaces: Thewarmweatherhasmeltedthefloorandnewsnowhasbeenputonthefloor.

Answer: The warm weather has melted the floor and new snow has been put on the floor.

Add spaces: GeneralAirconditioning,Centralheating

Answer: General Air conditioning, Central heating

Add spaces: Itisactuallylife-threateningtokneelbeforeanyoneotherthanthekingtoday.

Answer:
It is actually life-threatening to kneel before anyone other than the king today.