A. 100 years B. 200 years C. 300 years D. 400 years 相关知识点: 试题来源: 解析 A。此题为关于塑料瓶分解时间的知识考查。B 选项“200 年”、C 选项“300 年”、D 选项“400 年”时间过长,不符合实际情况。A 选项“100 年”是较为准确的塑料瓶分解所需时间。反馈 收藏 ...
Over the last 30 years,plastic productmanufacturing has increased dramatically. Single-use products such asplastic bags, bottles and product wrappings currently comprisethe largest sector of plastic manufacture — andplastic waste. While the flexible, unyielding nature of plastic makes it ideal for use...
And no matter how many ocean or river clean-ups we arrange, our environment simply cannot cope with our love of single-use plastic. In the UK alone, we throw away over 2.5 billion disposable coffee cups a year. Conventiona...
rigid metal, paper and board, glass, as well as flexible packaging4. Conventional flexible packaging materials like bubble wrap pose an environmental challenge. Traditional bubble wrap can take hundreds of years to decompose, contributing to long-term environmental harm. Although some manufactur...
The evolution of the plastic bottle from amazing to scourge of land and sea has played out inside of a generation.
Since animal fibers, such as suede, are renewable and biodegradable, they have a negligible environmental impact as long as proper breeding and production techniques are followed. Suede production is not inherently environmentally sustainable, but producers of this fiber must be held to strict organic...
Made from high-molecular polyethylene, the manufacturers boast that it's long-lasting, attractive, relatively cheap, and nice to look at. But there are two problems with recycled plastics. First, plastic that's recycled is generally not used to make the same items the next time around: old ...
(Check out How Light Bulbs Work to find out why heated objects emit light.) The heat of the flame keeps the fuel at the ignition temperature, so it continues to burn as long as there is fuel and oxygen. As you can see, there are three essential elements involved in this process: ...
Take note of which sections of your lawn receive ample sunlight. Most flowers, vegetables, and fruits require six to eight hours of sunlight per day to thrive. South-facing gardens often provide the most sunlight as long as there aren’t any trees or roofs blocking the rays. Use washable ...
Refusematerials you know are harmful to the environment, like plastic straws and water bottles. Take advantage of programs from your city that help you find ways to start composting, akarot. And, of course, practicerecycling. 13. Utilize tax breaks and financial incentives for green companies ...