Coal supplies carbon.
Steel is an alloy, consisting mostly of iron, with a carbon content between 0.2 % and 2.04%, depending on the grade and quality. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese, chromium, vanadium and tungsten. so the active ingredient in steel is iron
vinegar
Carbon.
Potatoes are a key ingredient in doughnuts
Aspirin and sodium bicarbonate are the ingredients in Alka Seltzer. Two tablets are the equivalent of two regular aspirin and baking soda, which is an acid reducer in itself. But the sodium bicarbonate in alka seltzer is heat treated.
mannitol is a type of sugar, so it supplies the carbon in the MSA medium
Casein is the ingredient in PEA that supplies carbon, as well as nitrogen. PEA is also known as Phenylethyl Alcohol Blood Agar.
mannitol is a type of sugar, so it supplies the carbon in the MSA medium
Peptone in phenylethyl alcohol agar supplies both carbon and nitrogen to support the growth of microorganisms. Peptone is a mixture of partially digested proteins that serve as a nutrient source for microbial growth.
PEA agar, also referred to as Phenylethyl Alcohol Agar is a medium used by microbiologists to grow microorganisms. The ingredient that supplies nitrogen is casein.
Carbon
carbon or water
Yeast!
yeast.
carbon dioxide
the Coke supplies carbon monoxide to reduce the ore in a blast furnace and supplies heat to melt the iron.
The ingredient in bread that produces carbon dioxide is yeast.