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- 7 Foods and Beverages That Have the Most Microplastics (and What to Eat Instead) Microplastics are tiny plastic particles between 1 nanometer (nm) and 5 millimeters (mm) in size, and they have infiltrated our environment, including the food we consume daily.
- 2017년 오마중 2학년2학기 기말 영어-외부지문-불가사리 Sea stars have no brain. Instead, they have special cells on their skin that act like a brain. Sea stars do not have eyes, either. However, they have “eye spots” on the tips of their arms.