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What is Particle Air Pollution? • Particulate matter (PM), also called particle pollution, is a general term for extremely small particles and liquid droplets in the atmosphere  • PM2.5 (fine particles): d ≤ 2.5 m  • PM10 (coarse particles) : d ≤ 10 m • Primary sources:  – Incomplete combustion  – Automobile emissions  – Dust  – Cooking  • Secondary sources:  – Chemical reactions in the atmosph ere What is PM 2.5 and PM10 and how they affect health? PM stands for Particulate Matter. PM2.5 and PM10 are minute particles present in the air and exposure to it is very harmful for health. When the level of these particles increases and penetrate deeply in to the lungs, you can experience number of health impacts like breathing problem, burning or sensation in the eyes etc. Let's study through this article what are PM2.5 and PM10 and how they affect health? What is PM 2.5 and PM10 and how they affect health? PM ...

A. Time Management 1. Start using a calendar, planner, or task list at the start of the semester. 2. Write down important dates for exams, assignments and other projects on a calendar. 3. Make a weekly or monthly schedule to get an overall picture of when you'll be busiest and when you have free time. 4. Make a task list to keep track of things you need to do on a daily basis. 5. Although some people like to use lots of tools to manage their time, it's not always necessary. Decide on one or two that will help you the most 6. Use short breaks in your daily schedule (such as an hour between classes) wisely. Schedule appointments on campus, check email or Courselink, or review your class notes. 7. Break large tasks into smaller pieces that can be completed within a few hours (or even a few minutes). 8. Be patient and flexible. If certain time management strategies don't work for you, try a different strategy. B. Listening and Note Making 1. Go to...