What is a key economic benefit of marine ecosystems? Reducing air pollution Providing minerals and food sources Preventing volcanic eruptions

Marine ecosystems provide a variety of economic benefits, one of which is providing minerals and food sources. Marine ecosystems are a significant source for humans and other species, including fish, shellfish, and seaweed. Additionally, marine ecosystems are a source of minerals such as salt, gypsum, and gravel. These resources are essential for various industries, including agriculture, construction, and manufacturing. Therefore, the key economic benefit of marine ecosystems is providing minerals and food sources.