The (blank) is the (blank)
change when (blank)
of a substance melts, changes from the (blank)
phase to the (blank)
phase.

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

May someone me with these science questions

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory