The answer would be erin out of all of them thank me later :)
The zone that gases always accelerate upward is the Luminous flame zone. The fire plume is the column of hot gases, flames and smoke rising above a fire. Gases accelerate upward toward the always luminous flame zone. The luminous flame height is the distance between the base of a flame and the point at which the plume is luminous half the time and transparent half the time.
Answer:
D
Explanation:
Insulator is like rubber, it cant physically hold heat well
Work Done = Force x Distance Moved
Work Done = 25 x 15 = 375 Joules
