Answer:
B. They form cell membranes
Explanation:
There's not really an explanation, that's just a fact. A phospholipid bilayer has two layers of, yep, phospholipids. They stay together well and kind of move around a little, allowing small particles to pass through. There are some proteins in them also that help them function as cell membranes.
The revolutionary war (america gaining independence from Britain)
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They were expensive to produce or they were saving up food to send to the soldiers fighting the war.
B. leading an invasion of British-held Canada
