Which statements explain differences between marshes and bogs? Check all that apply. Marshes are highly acidic, while bogs are not. Bogs look like flooded forests, while marshes contain grasses. Marshes can contain salty water, while bogs contain fresh water. Marshes are areas of shallow water, while bogs are deeper areas. Bogs are found in northern areas, while marshes are near coastal areas.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.