The map shows gdp per capita in the united states for a given year. what conclusion can someone draw from the map?

d and a is the correct anwsers

explanation:

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.

hello most volcanoes are located at either divergent or convergent plate

this is where the plate motions aswell form magma