Tooth bleaching

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    Great Barrier Reef (Environmental Lens) The Great Barrier Reef is a vast organic structure that has existed longer than man. It has always been present underneath the water surface near the coast of Australia, harboring many different types of sea creatures. Over the past few decades, the reef has slowly been dying. Humans have been negatively affecting it for a while now, although they may not have known it at that time. We, as humans, have the duty to correct our mistake and take responsibility

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    is slowly bleaching itself away. In Kristen Marhaver’s TED talk, she used the power of emotion, logic, and ethics to explain why the coral reefs are bleaching, and why we should still have hope for the coral reefs. Using the power of emotions, also known as pathos, Marhaver strengthens her argument. She says that although the coral reefs are bleaching and dying, there is hope. One specific example from the TED talk is when she gives an example of a coral reef coming back from bleaching. This gives

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    ensure the survival of marine life. Due to their versatility it is vital to understand the relationship between the corals and algae and the threat they are facing. Figure 2 The serious threat that is endangering coral, is something called bleaching.4,7 Coral bleaching is when the algae attached to these corals are ejected due to extreme temperatures and give off a dull white color instead of the vibrant shades they once held. Essentially, when it gets too hot the zooxanthellae algae are expelled because

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    When looking at the word coral reef bleaching one might have a visual image of a red coral reef graphic t-shirt which has ventured in the wash well over the normal limit. In reality coral reef bleaching is when a coral reef expels the algae living in its tissues due to stress in the coral. The stress in the coral can be caused by warmer water temperature, a change in water lighting, or a lack or abundance of nutrients in the reef. At this point you are probably wondering what all this has to due

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    pollution and global warming are essentially wiping out coral reefs which is causing coral bleaching. Because they are so important to sea and human life it is necessary that

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    (Badger Balm). With such a large number of people using sunscreen, the environmental impact it has, especially on coral reefs, is becoming more and more apparent over the years. Research has shown that chemicals in sunscreen play a big role in the bleaching of beautiful coral reefs. Reefs that are tourist attractions or are located near popular beaches are impacted the most from the large number of

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    Ecological Impacts Impacts on soft-bottom benthic macrofauna The impact to the benthic invertebrate macrofauna occurs from the disturbance of the substratum from dredging at the proposed sand winning sites, this results in habitat loss and death of resident infanua (Biccard, Clark, Porter and Hutchings, 2012). However the significance is considered to be low as the proposed dredging site signify an abundant sandy-bottom habitat which can be considered tolerant to disturbance when compared to bioclastic

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    Lark Coral Reef Essay

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    PCBs were identified in all reef surface sediment samples, reflecting worldwide pollution by these compositions in the coral reef sediments of the fragile ecosystem at Kharg and Lark coral reefs, the Persian Gulf. Hereupon, the total concentrations of these detected 20 PCB congeners in the Kharg and Lark coral reefs were also selected to exhibit the PCB contamination grades along with ecological risks in this environment. The mean concentration of the total PCBs (∑20¬PCBs) in the reef surface sediments

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    Shark Culling

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    Proof still required that shark culling works. The issue of shark culling has recently surfaced in the media. The article ‘Proof still required that shark culling works’, written by Glenn Hyndes and published on abc.com, addresses the fact that there is no evidence that shark culling is beneficial for the public, yet the law has been used by the Western Australian Government. This article was written on December 12th 2013, when shark culling was discussed in the media, has a very passionate, logical

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    Bleaching Research Paper

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    have caused regional-scale bleaching

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