Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
박물연구는 생물의 진화와 생태계를 연구하는 학문입니다.bangmulyeonguneun saengmul-ui jinhwa-wa saengtaegye-reul yeonguhaneun hakmunimnida.Natural history is the study of the evolution of organisms and ecosystems.