Discover what microplastics are, where they come from, and the threats they pose to our environment, animals and human health.
根据第三自然段主题句“Microplastics are plastic particles less than 5 millimeters in diameter (直径) and come from a number of sources. (微塑料是指直径小于5毫米的塑料颗粒,有多种来源)”和下文提到的三种微塑料来源可推知,本段主要讲微塑料是怎么形成的。故选D项。【小题2】细节理解题。根据第五...
What is the best title for the text A. The Potential Problems of Microplastics B. Microplastics Coming From Various Sources C. Microplastics Found Within Human Bodies D. The Impact of Microplastics on Human Health 相关知识点: 试题来源: 解析 C ...
Beyond the quantity of microplastics in the ocean comes another problem: they are literallyeverywhere.Studieshave found microplastics inside of animals that live in the Mariana Trench, a 7-mile deep spot that is known as the deepest point in our world’s oceans, as well as inside of animals ...
The wind and rain spread the tire dust and wash it off the road. It enters tributaries, lakes and eventually the oceans. City Dust 24% City dust, which accounts for 24 percent of microplastics in the oceans, comes from a variety of sources. While each is a small contributor, it adds ...
Sources of microplastics range from the microbeads used in cosmetic and personal care products to lentil-sized plastic pellets also known as nurdles. (Getty Images/Sami Sert/629554844-170667a) Content continues below Plastic production is on track to triple ...
Microplastics, and plastic items in general, are found in water sources like oceans partially because of marine dumping.Marine dumpingis the intentional act of disposing of waste in water sources, whether it be from a personal or industrial source. ...
Sources: Microplastics Detected Infiltrating Human Brains For The First Time— Science Alert Bioaccumulation of Microplastics in Decedent Human Brains Assessed by Pyrolysis Gas Chromatography-Mass Spectrometry— National Institutes of Health Americans May Be Ingesting Thousands of Microplastics Every Year— Smit...
Microplastics are not a 34 kind of plastic, but rather any type of small pieces of plastic that is less than 5 mm in length according to the U.S. National Oceanic and Atmospheric Administration. They may 35 from a variety of sources, including cosmetics, clothing, and industrial processes....
That said, it does decompose rather than just breaking down into smaller particles of plastic, which is far less damaging to ecosystems considering the recent revelations surrounding microplastics and nanoplastics. However, unlike natural biomass that adds nutrients to the soil as it breaks down, PLA...