Methane occurs when anaerobic (no air) bacteria decompose organic material. In this reaction there is no oxygen to convert carbon containing molecules to CO2 so th reaction only goes to CH4 which can still be oxidized further. Natural gas is thought ot be the result of decomposition of this typ in the distant past.
Naturally produced in the intestines of of many mammals. Methane is the reason you can light your farts.
methane occurs naturally.
Something that is not naturally occurring is man made.
naturally
Phosphorus is naturally occurring. It is found in rocks
It is man made
No, it is a naturally occurring element.
Naturally produced in the intestines of of many mammals. Methane is the reason you can light your farts.
Depends on what caused the fire. If a human ignited it, then it's man-made. If it occurred naturally, as through a lightning strike, then it's not.
Potassium is naturally made
A rock structure is made out of any type of rock. A rock structure can be man made but is usually naturally made, caused by weather or erosion.
It was caused naturally 5.3 million years ago maybe due to the movement of the African Plate
It was caused naturally 5.3 million years ago maybe due to the movement of the African Plate
Anthropogenic means made by humans, so the greenhouse gases caused by man are mostly carbon dioxide and some methane, and some CFCs.
Something that is not naturally occurring is man made.
naturally occurring.
No. It's man-made.
It DOES occur naturally. It is an ore. It is not man made.
No - it's a man-made object. But the stuff it is made from is naturally occurring.