students who brought medals and won in the olympiad, and especially these four students of the great elsa rening it is true that the world has moved. it is worth noting that we, ms. mina , ms. zahra thamili, who are members of the international team, are as sweet as a stone, and that a girl from our country managed to win a gold medal after 18 years , and two or three top girls. happy birthday to farshid, the results had come, but the results were not clear yet the course has spread to several countries, 89 different countries participated in the olympiad, how was it more difficult or easier compared to the previous courses and that last year, due to the corona situation , it was held in person . last year, the world olympics were not held online, but last year the world governments tried to hold them in person, and the main olympiad was held in person by humans . it is very low or not all countries, four strong students of chemistry field, they sent the amount of our demands, they worked hard and won medals, but the level of questions was very high, and the hosting was excellent, and we hope th