Write these passages putting in capital letters where needed.I have finished this exercise.Could you please write to me if there is anything wrong.
1. Marie Curie was a polish scientist who, in the year 18998, discovered the chemical element radium. She worked in Paris and in 1910 wrote ' A treatise on radioactivity'. She became a professor at the sorbonne university in Paris where she died in 1934.
2. Ibn Sina (Avicenna) was born in 980. He was a brilliant scientist, doctor and philosopher. He worked as a medical advisor at a several Muslim royal courts, sharing his knowledge with Christian, Jewish and Muslim scholars. As a doctor he worked with drugs made from herbs and plants. Like other Muslim doctors of the time he prescribed treatment after a scientific study of the disesae and observing the patient.