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Asked by Liam

What is the greenhouse effect and how is it related to global climate change?

the greenhouse effect is a phoenomenon that tends to affect those areas with high rate of air pollution. main responsibles of this circumstance are the exhausts’ emissions of hydrocarbons fueled combustion engines, which are rich in CO2. They constitute the “smog” (when mixed with fog and haze <smog = SMoke + fOG>) and the “greenhouse gases" (when mixed with volatile fine particles - such as the PM12). these gases have the characteristics of being quite "heavy", so they hardly tend to disperse in normal weather conditions and they surround and enclose the area they belong to up to the atmosphere, in a "bubble". such “bubble” is the virtual “greenhouse” from which the gases take name. in fact, the Sun's UV rays (the hottest and most hazardous, that are no longer filtered because of the ozone depletion) can trepass the outer side of the "greenhouse's roof" they constitute, and resch the Earth's crust.. but because of the "index of refraction", a physical characteristics of the greenhouse gases, the UV rays then keep "bouncing" between the ground and the "inner roof" causing the other outspoken phenomenon of the "global warming", an increase of the average temperatures of the different areas of the earth, which is able to modify the climate itself of such zones... and all the terrible consequences the future generations will have to face. it's clear I'm quite sensitive about the matter therefore I allow myself adding a small warning: they year 2020 will be the "point of no return", when the global average temperature will increase of 2°C. you think it's an insignificant change? then next time you're in a car with A/C, try to increase or decrease of that amount the thermostat, and experience the huge difference they can make. Imagine at global level what could happen. CHANGE YOUR HABITS NOW AND CHOSE ENVIRONMENTAL RESPECTFUL BEHAVIOURS/PRODUCTS/COMPANIES. It's the only way to guarantee a decent future to our grandchildren. "the earth is not our parents' present, but something we are borrowing from our grandchildren"

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I have graduated from high school in the UK and am currently studying Medicine at UCL. I am very interested in science subjects, and have taken them in A levels, receiving 3A*s. I would therefore like to share my ways of studying as well as exam techniques. I am a curious and enthusiastic individual who is particularly interested in Chemistry. I have been involved in Chemical Analytical Challenges and Symposiums. At school, I have also given biology presentations, including topics of epilepsy and effects of chocolate on the brain. I enjoy learning about the human system as it allows me to understand fully on how our body responds to different situations. I also had the experience of teaching Mathematics, alongside sciences. I have achieved A* within a year in A level maths, with UMS 581/600. I relish the logical thinking in Maths and have tutored several students, giving them advice on how to approach a question when prompted. From past experiences, I adopted a wide range of teaching styles, ranging from interactive whiteboards during online tutoring, to providing quizzes and exercises during face-to-face tutoring. I believe that this interaction will enhance visual learning and enable students to retain knowledge and be more interested in the subject. I am a native Chinese speaker and have taken Chinese GCSE and AS level. In my free time, I am an avid violinist and was the leader of Symphony Orchestra. I have taken music as one of my GCSEs before and I particularly enjoyed the classical pieces studied during the course. I hope to connect with more people and influence students with my passion for the subjects through teaching. Please contact me if interested. Thank you very much.

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