Amarine climate is generally characterized by

a.
milder weather in the summer but colder weather in the winter

b.
milder weather in the winter but hotter weather during the summer

c.
milder weather year round, compared to continental locations at the same latitude

d.
severe stormy weather all year long

e.
there is no such thing as a marine climate

a.  Milder weather in the summer but colder weather in the winter

Explanation:

The oceanic climate of the marine climate s dominated by fewer temperature extremes. Having a monthly mean temperature below 22 degrees. As precipitation is evenly distributed through the seasons. In the polewards type of climate dominant precipitation in the form of snowfall is more frequent they have a mild west coast around the middle latitudes. All depending on the type of land and ocean surface. Mostly the presence of milder climates around the world and is prevalent in most parts of Oceania.

Its in the national history museum and you can't se the original because its locked away in a vault 

Answer volcanic outgassing;