Ex2:Complete the sentences with the words. Chemist Archaeologist Software developer Physicist Explorer Biologist Inventor Conservationist 1.Christopher Columbus was an Italian .......... who discovered the Americas. 2.Marie Curie was a Polish .......... who discovered the elements polonium and radium. 3.The .......... reconstructed the broken ancient vase from its fragments. 4.As a .......... ,you'll work to protect and enhance the local environment. 5.Mr.Kaku is a quantum .......... ,a founder of string field theory 6.Matt works as a .......... for a Computer manufacturer. 7.Eugenie Clark was an American marine .......... who worked with sharks 8.Tim Berners-Lee is best known as the .......... of the World Wide Web. Mn giúp e với ạ.Giải thích giúp e luôn chứ e ko hiểu gì hết Hứa vote 5* và ctlhn