From the periodic table, we can see that:
At ground state, the hydrogen atom has one electron
Based on the electronic configuration, at ground state this electron should be occupying the orbital (1s)
Since (1s) is not one of the choices, therefore, the answer is "none of the above"
The removal of trees would most likely decrease the amount of carbon in the atmosphere.
Please note that it is useful to add the options provided with the question, in order to get a most accurate answer and have your question answered quicker.
Hope this helps!!
This form of the oxygen molecule is Ozone, O3.
