The independent cycles that add to the problem of Global Warming on our planet that can sometimes be measured are called . An example is in the artic how the ice is melting. The melting ice exposes more land and then that land heats up and causes the ice to melt faster than just having the sun hit it.

Which of the following statements about a typical plasma membrane is correct? a. the plasma membrane is a covalently linked network of phospholipids and proteins that controls the movement of solutes into and out of a cell. b. the two sides of the plasma membrane have different lipid and protein composition. c. the hydrophilic interior of the membrane is composed primarily of the fatty acid tails of the phospholipids. d. phospholipids are the primary component that determines which solutes can cross the plasma membrane. e. carbohydrates on the membrane surface are important in determining the overall bilayer structure.