How can we explain the compactness of a contienent?

Why are walls of the left ventricle thicker than the walls of te right ventricle? Omega-3 and Fiber For Lowering Cholesterol? What organs does testicular cancer affect? How defective acrosomes would affect the process of fertilization? Why does a bird abandon its young? Why is your tongue stuck to your roof of mouth when you wake up? Is 240mg of sodium too much? Where can you get a sample of a hardship letter for medical bills? Did Jimmy Swaggart lie about wife having knee surgery? What skin disorder can be treated with antibiotics? What is the fundamental functional muscle fiber's unit of contraction? Does left handedness abnormal? What are the types of hereditary diseases? Feeling bloated and stomach pains and hungry but you feel full? When did Black Thursday take place? Does coriander juice help get rid of a kidney stone? Is cherifer pgm 10-22 works? Is it normal for a woman to discharge from her rectum? If your dog has an ear infection could it cause his eyes to be swollen and also the side of his face? How do i determine if my child has aspergers?