Do you know that about 71 percent of our planet is covered by the ocean (海洋) ? 【小题1】. People around the world wear blue to celebrate World Oceans Day on 8 June every year. World Oceans Day is a special day for learning about oceans, including why they’re in danger and how essential it is to protect them.

Without oceans, life couldn’t exist. Scientists don’t know the exact number, but they think that oceans are home to 50 percent to 80 percent of all species on Earth, from large whales to tiny plankton. Oceans absorb carbon dioxide and give out oxygen (氧气). 【小题2】.

Humans use the ocean in many different ways. Lots of our food comes from oceans. 【小题3】. Besides getting oil and gas from beneath the ocean floor, we can produce electricity using the power of waves. We even rely on submarine cables for international communication.

【小题4】, but sadly they are in danger. You’ve heard of plastic pollution. Billions of pieces of plastic are floating around in our oceans, harming and killing sea creatures. It’s also dangerous for our health too, because fish eat the tiny pieces of plastic and then humans eat the fish.

For World Oceans Day, you can use social media platforms to share posts, photos or videos showing how important oceans are and why we need to protect them. 【小题5】. Remember that every day we can make a difference by using less plastic and recycling, and talking to others about protecting our precious oceans.