4 NH3 + 5 O2 ---> 4 NO + 6 H2O How many g O2 are needed to react with 8 mol NH3 ?

molar mass O2 = 32 g/mol

A n/a
B 16
C 320
D 80

They did not study the continental drift

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.

It conforms what ever surface its in.