पर्यावरण और विकास पर संयुक्त राष्ट्र सम्मेलन (UNCED) वर्ष _____ में _____ में आयोजित हुआ था। जैव विविधता पर अभिसमय (Convention on Biological Diversity) और _____ इसके प्रमुख परिणामों में शामिल थे।

What is the primary purpose of the Sustainable Development Goals (SDGs)?

With reference to microplastics as an environmental health concern, consider the following statements: I. Microplastics can enter the human body through ingestion as well as inhalation. II. Microplastics can act as carriers for toxic chemicals and pathogenic microorganisms. III. Microplastics are rapidly degraded into harmless substances inside the human body. Select the correct answer using the code given below: