The plasma membrane is composed of a phospholipid bilayer with embedded proteins. What is one of the functions of the embedded proteins? A.
preventing the phospholipid tails from binding together
B.
allowing specific substances to flow into the cell
C.
protecting the cell from physical harm
D.
defining the cell's structure and shape

maybe because its impossible for balloons to lift a whole entire house.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.