Options: the President of America during World War I, the creator of cartoon films starring popular cartoon characters Mickey Mouse and Donald Duck, the British physician known for his discovery of Addison's disease, None of the above
Small amounts of iodine are necessary in our diet to
Options: prevent pellagra, compensate for underactive the thyroid gland, stimulate clotting of blood, stimulate pituitary gland
Which of the following events took place in the Cenozoic era?
Options: Formation of the rockies, India collides with Asia and the formation of the Himalayas and the Alps, Formation of the Appalachians and central European mountains, Splitting of India from Antarctic, Breaking up of Pangaea