👉 A puristically is a type of natural phenomenon where the Earth's atmosphere and oceans are completely or largely free from pollutants. It occurs when there are no harmful chemicals, gases, or other substances in the air or ocean that can cause harm to living organisms. For example, a puristically would be a region where all forms of pollution have been eliminated, leaving only pure water and clear skies. In this case, the atmosphere is completely free from pollutants, and the oceans are also completely clean. P