Expendable can mean having little to no value when compared to the big picture or something that's designed to only be used once and then destroyed. Since I don't have any context, I can't decipher which one it would be.
Explanation:
zoom I'd - 9038735228 pwd -97cEeT I m getting bored wanna come for intresting talk
Answer:
Convection
Explanation:
Because heat is transferred through the solid sand
Answer:
Phospholipids heads are negative and attracted to water.
Just so you know the “head” of a lipid present in your cell membrane is considered to be are referred to as hydrophilic meaning attracted to water were as the "tail" of the lipid is considered to be hydrophobic as you might of surmised meaning hating water I suppose.