Why do fossil fuels such as crude oil contain varying amounts of nitrogen and sulfur? Pls help

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Explanation:

Beceause they are coming from under the overland. And overland have some different features

Luna♥Kaan

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

b. is the answer hoped i