The model shows how pimples are formed in the skin. why do you think this process can occasionally lead to pain? a) the swollen pimple completely stops blood flow to the area, starving the nerves. b) the bacteria replication leads to swelling, which irritates nerves in the dermis. c) the nerves around the pore cannot transmit an action potential, so they can’t send signals. d) the pimple presses on the epidermis, which is where all the sensory receptors in the skin are located.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.