ASSIGNMENT代写

澳洲环境科学代写 塑料垃圾

2020-02-19 01:51

令人遗憾的是,我们知道塑料已经成为海洋中广泛存在的物质。这些大量的塑料材料,其中一些会部分分解成肉眼看不到的小颗粒。这种现象使得水生动物很难区分塑料材料和食物,因为它们的颜色、大小和形状。不幸的是,这种混乱威胁着这些动物的生存,或者对它们的行为和活动造成巨大的破坏。加拿大世界动物保护组织强调,“2014年,估计有15到51万亿微塑料颗粒漂浮在世界海洋中,重达93000到236000吨。海洋动物经常吃塑料微粒,因为它们体积小。塑料含有有毒化学物质,会增加患病几率,影响生殖。食用微塑料后,海豹和其他动物可能会在数月甚至数年之后死去。”对水生动物来说,污染最严重、破坏性最大、对人类生命危害最大的因素之一就是这些塑料经过数百年的分解,有时甚至超过一千年才分解。由于这种缓慢的分解,这些元素是水生动物毒素的来源。这个变换本质上已成为这些水生动物的营养的来源,他们反过来又有助于这些毒素对人类的转移通过这一过程被称为生物体内积累这个过程中化学物质的吸收这些塑料的身体情况下人类食用的鱼,这些鱼。当然,鱼体内的化学物质会传染给人类。化学品从鱼类转移到人类的过程是对人类生命的威胁。
澳洲环境科学代写 塑料垃圾
It is very sad that we know that the plastic has become a widespread substance in the ocean. This huge amount of plastic materials, some of them partially break down into very small particles that cannot be seen by the naked eye. This phenomenon makes it very difficult for aquatic animals to differentiate between plastic material and food due to the color, size and shape of the substance. Unfortunately this confusion threatens the existence of these animals or causing them a huge destruction upon their behavior and activity. World Animal Protection Canada highlighted that,“In 2014, an estimated 15 to 51 trillion microplastic particles were floating in the world’s oceans, weighing between 93,000 and 236,000 tones. Marine animals often eat microplastics because of their small size. Plastic contains toxic chemicals, which can increase the chance of disease and affect reproduction. After ingesting microplastics, seals, and other animals can suffer for months or even years before they die”.One of the most polluting and destructive element of aquatic animals and the greatest danger to human life is that these plastics are decomposed for hundreds of years and may sometimes exceed one thousand years until they decompose. As a result of this slow decomposition, these elements are a source of toxins from aquatic animals. This transformation in nature has become the source of the nutrients for these aquatic animals, they in turn contribute to the transference of these toxins to humans through a process called bioaccumulation This process is the absorption of chemicals found in these plastics in the body of the fish and in case Human consumption of these fish. Of course, the chemicals found in the body of the fish are transmitted to humans. This process in the transfer of chemicals from fish to humans is a threat to the lives of humanity.