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POLLUTION

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  POLLUTION Pollution  is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land. Pollution can take the form of  chemical substances  or  energy , such as noise, heat, or light.  Pollutants , the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as  point source  or  nonpoint source pollution . In 2015, pollution killed 9 million people worldwide. All living things—from one-celled  microbe s to blue whales—depend on Earth’s supply of air and water. When these  resource s are polluted, all forms of life are threatened. There are 4 types of pollution-- WATER, AIR, NOISE, & LAND POLLUTION……   W...
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IMPORTANCE OF EXERCISES

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IMPORTANCE OF EXERCISES Exercise  helps people lose weight and lower the risk of some diseases. Exercising regularly lowers a person's risk of developing some diseases, including obesity, type 2 diabetes, and high blood pressure. Exercise also can help keep your body at a healthy weight. Exercise can help a person age well. Exercise  will not only improve your physical health, but will also have a huge impact on other areas of your life. Staying fit can lift your mood, relieve stress, and boost your brain power, helping you to make the most of your time at unit. Physical activity and exercise can have immediate and long-term health benefits. Most importantly, regular activity can improve your quality of life. We all know that exercise is important in our daily lives, but we may not know why or what exercise can do for us. It’s important to remember that we have evolved from nomadic ancestors who spent all their time moving arou...
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