[Answer] 2. Marble Bone Disease causes the bones to become solid all the way through, causing a loss of which of the following?

Step 1 : Introduction to the question "2. Marble Bone Disease causes the bones to become solid all the way through, causing a loss of which of the following?"

...1. Tendons 2. Bone marrow 3. The brain 4. Ligaments Bones are constantly being broken down and reformed to allow for the body's need for calcium. In the condition known as Marble Bone Disease this natural reformation causes the hard outer bone to reform in the area occupied by the softer more porous inner bone which houses the marrow. The bones become very dense and movement is impeded. When it occurs in adults, which is the most common scenario, it causes pain, bone fracture and difficulty in healing. A more deadly form occurs in children causing additional problems including deafness, blindness, seizures, pain and usually death. Treatment is aimed at easing the symptoms as there is no cure.

[Answer] 2. This is a grey solid usually classed as a semi-metal. It has a highly poisonous oxide which has been identified as a possible cause of the death of Napoleon Bonaparte. Which of these has the chemical symbol As?

Step 1 : Introduction to the question "2. This is a grey solid usually classed as a semi-metal. It has a highly poisonous oxide which has been identified as a possible cause of the death of Napoleon Bonaparte. Which of these has the chemical symbol As?"

...1. Arsenic 2. Argon 3. Astatine 4. Antimony Arsenic compounds have been used as medicine as well as poison for hundreds of years, and it is still licenced by the FDA for use in treating Leukemia. 'What does not kill me, makes me stronger', said Friedrich Nietzsche. But he's dead...