Yes as it is made in industrys
i am definitely no expert as I'm in grade six, yet i think that it is artificial because the fire (natural as it is) is created by the chemical reaction when the box and match are struck together, therefor, quite unnatural in my opinion. You don't need to quote me on this, to gather your own opinion just think about if a match would work and even exist if we didn't exist either! -TvGaming, your welcome if it helps ;D
Depends what the source was, for example, if it was started by lightning, it is natural; if it was started by a person, it is artificial. hi! -Andrew
It is a natural source of heat energy
A lamp
A regular mirror can be used if the source of light is artificial. Artificial light sources do not require any special type of mirror for reflection. Any mirror that reflects light effectively will work for artificial light sources.
There is no such thing as artificial oxygen. You could probably light a match in an enclosed space filled with oxygen, though.
iron,Aircon and Oven
solar battery
yes
A match is a man-made light source because it is created by the combination of specific chemical components in the match head that produce a flame when struck against a rough surface.
Yes, such lakes are usually called reservoirs.
Americium is an artificial element, a natural source doesn't exist.