Electrons have a negative charge, so if you give away electrons, you give away negative charge, thus ending with a positive charge.
They are formed from erosion and weathering.
Nitrogen is the most abundant of the gases present in the atmosphere. 78 percent of the atmospheric air comprises of nitrogen, oxygen makes up for 21 percent and all other gases make up for the remaining one percent. Oxygen is a highly flammable gas and in the absence of nitrogen it would not have been possible to utilize this atmospheric oxygen, hence the presence of nitrogen reduces its flammability and also neutralizes the toxicity of other gases.
The statement to every reacting there is, there is a opposite and same reacting.
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B) The amount of work done
