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How to curb the climate heating by contrails

"Rerouting a fraction of flights may reduce the sooty clouds’ environmental impact" High-flying jets often create long white lines across the sky. Called contrails, those narrow clouds can vanish within minutes or last for days. Like other clouds, long-lasting contrails can trap heat in the atmosphere. Scientists have found in the last year or two that these contrails can boost the warming of Earth’s atmosphere. But it may be fairly simple to lower that contribution: Just make a few planes fly higher throughout much of their route. Engineers in England recently studied flights and contrails in a high-traffic part of the sky above Japan. Along the way, they turned up a surprising pattern. About 80 percent of the warming from contrails came from just 2 percent of the flights. “The fact that it’s such a small [number] of flights means we think it’s a feasible solution,” says engineer Marc Stettler. He led the study and works at Imperial College London. Sending just...
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                            About  Matter In  classical physics  and general chemistry,  matter  is any substance that has  mass  and takes up space by having  volume . [1]  All everyday objects that can be touched are ultimately composed of  atoms , which are made up of interacting  subatomic particles , and in everyday as well as scientific usage, "matter" generally includes  atoms  and anything made up of them, and any particles (or  combination of particles ) that act as if they have both  rest mass  and volume. However it does not include  massless particles  such as  photons , or other energy phenomena or waves such as  light  or  sound . [1] [2]  Matter exists in various  states  (also known as  phases ). These include classical everyday phases such as  solid ,  li...
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How to create HTML tabel??

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   Source Code ~~ <html> <head> <title>pranjal</title> </head> <body bgcolor="lightgreen"> <table border=10 bordercolor=red align=center height=500 width=500> <caption> <b><u>Student's Record</u></b> </caption> <tr><th>Name </th><th>subject</th><th>Marks</th></tr> <tr><th>Riya</th><td>Maths</td><td>99</td> </tr> <tr><th>Pranjal</th><td>Physics</td><td>98</td></tr> <tr><th>Isika</th><td>Chemistry</td><td>86</td></tr> <tr><th>Aman</th><td>History</td><td>90</td></tr> </table> </body> </HTML> You can change the data entered !! Any query please contact us: E-Mail (Pranjal Pandey) My Youtub...
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