Indirectly possibly. It is probably mildew. There may be a leak somewhere that is allowing too much humidity to build up or there may not be enough air exchange with the outside. Also, what heat source are you using. If gas fired, the fumes for the combustion have to be going somewhere. Perhaps it is not vented properly or the combustion chamber has a crack.
Pictures of Alice H. Parker do exist and are available online. She filed a patent for her gas heating furnace, which was the precursor to a central heating system.
I have been told that it creates electrolysis! this is actually a continuation of the question above. How true is this?
the black death was transmitted through rats and other pests and it was trasmitted through the sewage system
There are many chemical reagents which turn black while heating in air including lead sulfate.
Castelia Gardens found through its Sewer System.
The Hubble Space Telescope did not fly through any black holes, as there are none in our solar system. If it did fly into a black hole it would have been crushed by gravitational pressure
Copper carbonate
change your filter atleast once a month. or every other week.
The color black neturally magnifies heat.
on heating copper carbonate decomposes to cupric oxide which is black in colour.
It has a black background and a triangular prism with a beam of light shining through it , creating a rainbow.
all of the above