Give me some points to write in my essay pls :))

Was the battle of iwo jima over after us troops raised the flag on mt. suribachi?

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.

Me i really need which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus