01assign11 Stain

The aim of this task is to give you the opportunity to apply some of the important reading strategies you valued.

Let's write and go running! Please check "write processing". To get a tutorial on how to write paragraphs, you can also check homework at the beginning of English 11.

Step 1: After reading the article "Victoria's Ugly Stain", fill out the form below and answer the question.

Victoria wastewater treatment meets the third world standard. Some British Columbia state politicians and other interest groups claim that 34 billion liters of untreated sewage flowing from the metropolitan area (CRD) into the Juan de Fuka Strait each year will not affect Victoria and its surrounding areas . Harmful effects. It is also suggested that the cold flow of the sea washes off the original waste, has little impact on the environment, and the natural oxidation of the sea "treats" the sewage. In this aspect of the debate it is claimed that the suggested $ 450 million proposed for the construction of a new sewage treatment plant in Victoria will be better used in parks, hospitals and urban transportation systems; But they did not consider not handling Victoria's sewage. Serious environmental and human health costs

The Georgian Strait, the Sierra Leone Legal Defense Fund, the Victorian State Wastewater Treatment Coalition, and the Alliance of the Opposition (POOP) of Pollution Pollution Corporation have summarized concerns about Victoria's regrettable environmental crime. These groups claim that the submarine site is contaminated with dangerous levels of toxins such as copper, mercury, lead, by flowing the Victorian toilet in the sea. Some of these heavy metals are found naturally in human sewage. Other pollutants include heavy metals such as zinc from engine oils and toxic by-products from vehicle effluents as well as shampoo products such as shampoos.

These fatal pollutants can cause deadly damage to aquatic life and birds around the drainage canal. The toxicity study by Sierra Leone's Legal Protection Fund showed that the fish died within 20 minutes of contact with Victoria's sewage. The same survey also shows that Victoria sewers carry several kilograms of PCB to the environment each year. In addition, sewage carrying E. coli in feces rises to sea level, wind surfers, ecotourists, fishermen, and rowers face third world health risks.

People who oppose the funding of wastewater treatment believe that CRD handles waste by screening solids before sending solids to the ocean. Water source control is important, but it does not limit the amount of toxins soaked in water Contrary to what is believed to be the way sewage is treated, the flow of water near the exit is sewage to the Pacific Ocean I can not carry everything. As the flow direction changes with the current flow, most of the sewage is near the sewer outlet or back to the Georgian Strait.

The CRD ceases the delay and it is time to eventually treat sewage from the region as a compulsory standard in most industrialized countries. When Victoria City dumps untreated sewage equivalent to 2,600 tractors daily into the ocean, how can I convince the next generation to be an excellent manager of the environment? Nothing is a choice

The main problem is that sewage treatment is entering the sea and the environmental impact is very serious. What is the keynote of this article?

The keynote of this article is that people get very angry about how we do this. What is it

In order to distinguish Gram-positive and Gram-negative bacteria, this is called differentiation staining. Bacteria stained purple by Gram stain are called gram positive and those stained in pink are considered gram negative. Positive and negative terms are independent of charge, but only two different bacterial morphological groups are specified. Due to fundamental differences in cell wall structure, the staining of Gram-positive and Gram-negative bacteria is different. Bacterial cell walls are used to provide the organism its size and shape, as well as to prevent osmotic lysis. The substance that gives rigidity to bacterial cell wall is peptidoglycan.

Gram staining of bacteria is a method of classifying bacteria based on cell wall. For gram staining, place the bacterial sample on the plate, dye it purple with chemicals, remove the stain with alcohol, then dye it with pink chemical. When the bacteria are stained purple, they are Gram positive, which means that their cell walls absorb purple chemicals. If the bacteria are pink, they are gram negative and the cell wall does not absorb purple chemicals, but absorbs pink color. Gram positive cells are usually found in the buccal cavity or on the skin, and Gram negative cells are usually found in the intestines.