wmq.2|another quiz|Please enter your Full Name:|Your Email Address:|Your ID Number or Password:|What is the compositional difference between amphiboles and pyroxenes? # %SAT%  %%|What is the square root of four? # one %% two %% three %% four %%|How many fingers do I have? # five %% ten %% fifteen %% twenty %%|What is the difference between aa and pahoehoe lavas? # %SAQ% aa is ropy, pahoehoe is rough %%