The amount of air pollution in Pakistan’s major cities like Lahore and Karachi is 20 times higher than the World Health Organization standards. There are layers of smog‚ dust and smoke that exist over Karachi. There is also a prominent smell of gasoline that infiltrates air. Islamabad which is the capital city of Pakistan is known to be covered with thick layer smog that actually keeps hidden the view of Margalla hills. So pollution is very prominent and exists to a threatening level in Pakistan
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when the atmosphere and environment were different to those presently found on earth Archaea are single cell micro-organisms with no nucleus‚ it use anaerobic respiration (able to living in the absence of Oxygen) and live in extreme environment/condition such as high temperature‚ acid-rich‚ saline area etc. those environment are rich in minerals but hazardous to other organisms. Archaea’s population decreased after earth filled with oxygen‚ other than that‚ current archaea is very same as ancient
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Nowadays‚ our community has many environmental problems‚ but the obviously problem is air pollution. People around the world‚ especially in the cities‚ see air pollution as an important problem because cause it makes many big effects such as worsens earth’s atmosphere and harms living creatures. Air pollution is created by both natural actions and humans activities‚ but mostly‚ air pollution is made by humans. The three principal causes that humans have done are burning fuels in vehicles‚ unsuitable
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Noise Pollution The nature of sound Sound‚ a manifestation of vibration‚ travels in wave patterns through solids‚ liquids and gases. The waves‚ caused by vibration of the molecules‚ follow sine functions‚ typified by the amplitude and wavelength (or frequency) Sound waves of equal amplitude with increasing frequency from top to bottom Reflecting on noise “Noise" derived from "nausea‚" meaning seasickness Noise is among the most pervasive pollutants today Noise is unavoidable for many
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WHAT IS NOISE POLLUTION? What is noise Pollution? Sound is essential to our daily lives‚ but noise is not. Noise is generally used as an unwanted sound‚ or sound which produces unpleasant effects and discomfort on the ears. Sound becomes unwanted when it either interferes with normal activities such as sleeping‚ conversation‚ or disrupts or diminishes one’s quality of life. Not all noise can be called noise pollution. If it does not happen reqularly‚ it may be termed as ’Nuisance’
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A speech for Mother Earth. We are all human beings. All people‚ You‚ me‚ our neighbors. No matter where You live in this world‚ if it is in Africa or South-America‚ if it is in Asia or Europe‚ Australia or North-America‚ we are all sisters and brothers in humanity. All people of the world. Whether rich or poor‚ whether color‚ religion‚ culture or political conviction‚ we are all residents on this one planet‚ our home - Mother Earth. The time is now for us to carry
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POLLUTION!!- IS THERE A SOLUTION? Human Beings belong to a species that poisons its own habitat. If we think of our planet as a spaceship then we are the new and all other species are passengers. In general we behave irresponsibly .Earth’s atmosphere forms a protective cocoon around our spaceship‚ storing and recycling essential elements such as carbon and oxygen. Humans fill the air with pollution that turns the rain acidic and threatens to alter the climate pollution from and fossil and nuclear
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air pollution issues Name__________________________ Date_________ Period_____ This is intended as a study guide. For best results‚ I recommend studying all the material first‚ then filling out the worksheet “closed-book/notes” as if taking a test. When done‚ go back to your notes to check your answers. Match the following air pollution issues with ALL appropriate causes (letters) and consequences (numbers). All letters and numbers will be used at least once. Each issue may have any number
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the first and upper most layer of the Earth. There is Continental Crust which sits on top of Oceanic Crust. This layer is made frequently from granite rocks and is solid. Continental Crust is approximately 32km. Below the Continental Crust is Oceanic Crust. It is about 8km. This part of the Crust is made from basalt rocks. The Crust is most of lithosphere and is the coolest layer by far. Mantle is like silly putty consistency. It is the largest layer of Earth sitting under the Crust. It is made
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Life on Mars and Life on Earth • Life on Earth - Right spot‚ suitable for life - Size of earth has allowed the internal heat from leaking too rapidly - Plate tectonic activity and bulkinism helps maintain and recycle carbon dioxide which helps prevent the earth from freezing - The magnetic field from the inner core maintains heat at a certain level protecting earth - Within the atmosphere‚ there exists hydrogen‚ water‚ methane and ammonia - These gases are subject to lightening and
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