Read following sentence from herman melville’s short story "bartleby, the scrivener".

and here bartleby makes his home, sole spectator of a solitude which he has seen all populous—a sort of innocent and transformed marius brooding among the ruins of carthage!
which literary device is employed?
a. allegory
b. irony
c. allusion
d. symbolism

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?