Why does flex have a thin layer of plastic on outside
for insulation
because plastic is an insolator
cell membrane
The thin, solid, outermost layer of the Earth is officially known as the crust.
permafrost
The very thin layer between the earths crust and the stratosphere is commonly refered to as the troposphere.
because plastic is an insolator
Engineered wood.
plasma membrane
Cerebral Cortex
Cell (Plasma) Membrane
it is cell membrane
cell membrane
cell membrane
cell membrane
Epithelial tissue
it does not have a cloth covering. on the outside it is a thin coat of plastic then leather.
US pennies (since 1982) have been made of zinc (97.5%) with a thin layer of copper (2.5%) outside.