The phospholipid effectively forms lipid bilayers and vesicles because of which of the following?

The association of the hydrocarbon tails with each other and the polar heads with the aqueous environment.

The association of the hydrocarbons with the aqueous environment and the hydrocarbon tails with each other and the polar heads with each other.

The association of the hydrocarbon tails with each other and the polar heads with each other.

None of the above.

The association of the hydrocarbon tails with each other and the polar heads with the aqueous environment.