Explanation:
Islamic mathematicians such as Al-Khwarizmi, Avicenna and Jamshīd al-Kāshī made advances in algebra, trigonometry, geometry and Arabic numerals. Islamic doctors described diseases like smallpox and measles, and challenged classical Greek medical theory.
Explanation:
Food Aboard Ships Was Dry and Often Filled With Maggots
Staples included dried and salted anchovies and cod, pickled or salted beef and pork, dried grains like chickpeas, lentils and beans, and, of course, hardtack biscuits
Climate changed colder and wetter,people weakened by hunger and were led to diseases
