Garbage dumped into the ocean affects the ocean's ecosystem and may drift back to shore, where it can become a health risk to humans.
The best option would be the letter A. They supply freshwater to support life on Earth.
Freshwater is the ultimate source of water in the terrestrial biome. It is not only important in the terrestrial biome but also in the aquatic ecosystem as it helps in transporting nutrients (ex. river is connected to the ocean).
Might need some more context to this question, or a photo.
<span>The salmon is among the most revered of coastal animals, for its cultural and spiritual importance to First Nations, its world-famous tasty flesh, and its role in the historical economy of BC. The most common salmon in our local waters are Chum and Coho. All Pacific salmon species are anadromous, meaning they spend most of their life in the ocean but migrate to fresh water to breed. Consequently they interact with several different ecosystems, and play important roles in terrestrial, freshwater and marine food webs.</span>
