How do the biosphere and hydrosphere interact? give an example

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which fact represents evidence for the big bang theory?

If two objects at different te,peraure are in contact with each other what happens to their temperature