Which of the following is a consequence of humans using fossil fuels? O A. All of these
B. Rising sea level
C. Destruction of habitats
D. More severe storms

I think it’s A, because all of these are related to fossil fuel somehow.

Hbr dissociates to form h+ and br-ca(oh)2 dissociates to form ca2+ and 2oh-the h+ and oh- react to form waterassuming the reactants are dissolved in water, the net reaction is h+ + oh- —> h2oif you’re asked to show all components of the reaction, the complete reaction is 2hbr + ca(oh)2 —> cabr2 + 2h2o