There are many methods people can use to reduce plastic pollution. They can reduce‚ reuse‚ and recycle. This is the oldest method that is effective if done correctly. They can buy recyclable products with little or no packaging. Buying these products will reduce the use of plastic and will reduce recycling needs which will lead to a cleaner Earth. They can also use biodegradable plastics so we don’t have to worry so much about plastic pollution. Keeping storm drains clean and never littering will
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OxidatiOn and ReductiOn OxidatiOn & ReductiOn 9.2 9 Introduction to oxidation and reduction Redox equations Some common oxidising agents and reducing agents (EXT) 9.3 Reactivity 9.4 Voltaic cells 19.1 Standard electrode potentials (AHL) 9.5 Electrolytic cells 19.2 cORe 9.1 Electrolysis (AHL) TOK Are oxidation numbers real? I remember contemplating on the nature of reality back in Chapters 2 and 4‚ with regard to electrons and hybridization respectively
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Interactions BigIdea 4 investigation 13 ENZYME ACTIVITY* How do abiotic or biotic factors influence the rates of enzymatic reactions? ■■BACKGROUND Enzymes speed up chemical reactions by lowering activation energy (that is‚ the energy needed for a reaction to begin). In every chemical reaction‚ the starting materials (the substrate(s) in the case of enzymes) can take many different paths to forming products. For each path‚ there is an intermediate or transitional product between reactants and
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Axia College Kurt Cobain Life Span Development and Personality Mary Gonzales August 20‚ 2011 Phoenix University Kurt Cobain One Kurt Donald Cobain‚ known for being a song writer and lead singer for Nirvana was born in Hoquaim Washington on February 20‚ 1967. Cobain seemed to have a pretty happy childhood
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Syeda Fatima Sinusitis What are sinuses? Sinuses are basically hollow spaces in the bones behind the face Sinuses are developed even before a person is born and sometimes continue to develop until the age of 20. There are four pairs of sinuses or eight all together. Sinuses are located on either side of the nose in our cheeks‚ behind the eyes and between them‚ in our forehead‚ and at the back of the nasal cavity. The nasal cavity is basically the inside of the nose. The nasal cavity is lined
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Rachel Carson (May 27‚ 1907 – April 14‚ 1964) was a Marine Biologist. Her accomplishments included: Writing the books The Edge Of The Sea‚ bestsellers Under The Sea Wind‚ The Sea Around Us‚ and her most popular Silent Spring‚ and she was also the founder of the Environmental Movement. Her most famous book‚ Silent Spring‚ documented effects of harmful pesticides and pollution on the environment‚ especially on birds. The book helped launch Carson’s Environmental Movement. The movement was a political
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Archasea Bacteria Luca Last Universal Common Ancestor Lucas Characheristics deduce form shared characteristics of A + B today: DNA (cf. RNA) genome No nuclear membrane or intracellular organelles Electron Transport Chains (ETC)- ATP (energy) Proteins Same genetic code Prokaryontes 2.75 bya‚ are responsible for a dramatic increase in atmospheric O2. Cyanobacteria = photosynthesizing bacteria + related prokaryontes Evidence of O2 increase: Rust in rock
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Cell Biology Lab - Homework 1 Due to the week of Oct. 6-10th This is NOT a lab group project. Do the work individually. You may use any source other than your fellow students. Show your work‚ use your own words and cite all references. 1. (20 points) The HeLa S3 cancer cell line is considered to be “continuous” due to acquired mutations that enable the cells to evade senescence. This property is one of several hallmark characteristics of cancer cell lines. Describe three hallmark characteristics
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Chapter 40 Exam – Student Copy 40.1 Multiple-Choice Questions 1) Trees are rare in the savanna biome because of A) insufficient annual precipitation. B) acidic soils. C) extreme winter temperatures. D) large variations in seasonal rainfall. E) permafrost. 2) Which of the following statements best describes the effect of climate on biome distribution? A) Average annual temperature and precipitation are sufficient to predict which biome will be found in an area. B) Seasonal fluctuation of temperature
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Essay Questions Exam 3 Chapter 40 a. Describe a key function of each of the four types of tissues found in animals. 1. Epithelial tissue (squamous‚ columnar‚ cuboidal) makes up the lining and coverings. This type of tissue is found in the skin (epidermis and dermis)‚ surrounding the organs of the body‚ and outer layer of capillaries (diffusion). 2. Connective tissue (loose‚ adipose‚ blood‚ fibrous‚ bone) holds organs in place and attaches epithelial tissue to other underlying tissues. A collagenous
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