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.
Answer:
(I dont see the sections but Ill answer on what I know) Slavery was commonly practiced in the United States in the Southern Plantations since the people considered it to be cheaper then hiring people and paying them. That made the south a wealthy place and made the economy of USA flourish in the south. The other reason the Slavery was so popular was as servants who would be in the house and serve food for guests. Another example is that they used to baby sit the child that cannot be left alone. Overall slavery was a belief that the White man was superior thus to the black man or as they called the black people back then a Negro. Slavery was later made illegal by Abraham Lincoln shortly after the American Civil War in 1861.
Answer:
The North had an industrial economy, an economy focused on manufacturing, while the South had an agricultural economy, an economy focused on farming. Slaves worked on Southern plantations to farm crops, and Northerners would buy these crops to produce goods that they could sell.
Explanation:
I hope this helps
Investment (and NO stock has a guaranteed return).
