Answer:
The mineral fuels—coal, petroleum, and natural gas—may be described as a special type of economic deposit. Geochemically they represent the concentration of carbon and hydrogen by processes that were initially biological in nature.
Explanation:
thank me later
Answer:
Is this an actual question that you had for school?
Explanation:
Because the catalyst is not really part of the reaction. it is something that speed up a reaction by lowering the energy need for the reaction to take place. however, in the end the catalyst is brought back to its initial state. that's why it is long lasting
Overharvesting that would be your answer!
Answer:
That unknown substance is water
Explanation:
