How are public goods paid?

A simple definition please !!
I'll give brainlist too

Some fossils provide evidence to suggest that earth's climate has changed over time. which information can scientists obtain from these fossils? check all that apply

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

Which was not a country that massively built up its navy in the early 1900s? germany china united statesbritain