Finding the Main Idea

“Read the following paragraph: "Regular exercise is important for maintaining good health. It can help you control your weight, strengthen your bones and muscles, and improve your mood. Additionally, exercise can reduce your risk of chronic diseases like heart disease and diabetes." What is the main idea of this paragraph? Read the following paragraph: "Recycling is a crucial step in protecting our environment. By recycling materials like paper, plastic, and glass, we can reduce the amount of waste sent to landfills. Recycling also conserves natural resources and reduces pollution." What is the main idea of this paragraph? ”