A) A German chemist B) A French philosopher C) An Italian physicist D) An English poet
A) Chemistry B) Mathematics C) Physics D) Biology
A) 1850 B) 1700 C) 1750 D) 1803
A) Oxygen gas B) Nitrogen gas C) Superphosphate D) Carbon dioxide
A) Soil erosion B) Pesticides C) Crop rotation D) Plant nutrition
A) Fermentation B) Canning C) Pickling D) Dehydration
A) Fields Medal B) Nobel Prize C) Copley Medal D) Pulitzer Prize
A) Italy B) Germany C) United Kingdom D) France
A) Lead B) Bromine C) Silicon D) Gold
A) Hydrochloric acid B) Sulfuric acid C) Acetic acid D) Carbolic acid |