Nitrogen is so important to plants because it is a major component of chlorophyll , or the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (photosynthesis). It is also a major component of amino acids, the building blocks of proteins for plants.
Mercury,Venus,earth, and mars
I don't know what your question is right here..? But cell division is when one cell copies DNA to make an exact copy to which the cell splits resulting in two daughter cells
In the electron transport chain. Oxygen is the electron recipient because it is a very strong oxidizing agent(very electronegative) and it keeps the chain going.