For Physical education the main focus is on developing physical fitness and the ability to perform and enjoy day-to-day.
<h3>What is physical education?</h3>
Physical Education, often shortened to Phys Ed. or P.E., is a subject taught in schools around the world. It is typically taught during primary and secondary education and encourages psychomotor learning through a play and movement environment to promote health and fitness.
Physical activity at school helps prevent obesity and high blood pressure. Physical exercise and activities help them burn extra calories. If these calories are not burned, they are stored as fat. By doing physical exercises, people use their extra calories for energy.
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To create a thunderstorm you need to have three things, the first of which is a mass of unstable air, which is the result of warm moist air in the lower atmosphere and cold dry air in the upper atmosphere. The second thing needed for a thunderstorm to develop is the force, which mixes the warm and cold air causing the instability. This force can be wind from mountains, fronts or in air convergence like that found where bodies of water and land meet. The warm air rises from the lower atmosphere causing an updraft, which mixes with the heavier cold air. The third factor that must be present for the creation of a thunderstorm is moisture in the atmosphere. This happens when the moisture in the air turns into water droplets and forms clouds. These three things together make up the cumulus stage or formation of a thunderstorm.
The second phase of a thunderstorms life cycle is the mature thunderstorm phase which is when the moisture formed in the clouds is released when it becomes to heavy to stay up in the atmosphere and falls to earth in the form rain, snow, sleet or hail. During this phase there is an updraft of the lighter moist warm air from the ground, which keeps the thunderstorm from dissipating. While the warm air is rising there is cold dry air that is causing a down draft causing the heavy water droplets to fall. This is also the period when there is thunder and lightning, which is one of the more spectacular aspects of thunderstorm.
You forgot your options, but I think i've seen this question somewhere already and i remember them. The answer is that it is not true that <span>Iron could be manufactured without the need to heat it up. </span>
In Asia due to the presence of number of industries, large number of vehicles produce harmful gases and deteriorates the air quality at large extent. Deforestation and logging of trees are also one of the cause of lowest air quality.
Explanation:
Asia is a developing countries comprises of India, Sri lanka in its south, China, Japan, Korea in its east and south-east direction. There are all total 48 countries. All these countries population density is high. Among them China has world's highest population followed by India.
Over population and excess population density covers the land and deforested land for establishing settlement. Multi storied buildings are using air conditions, refrigerators which emits CFC in environment. Vehicles emit SO2, CO, CO2 etc. These are the facts which lower air quality in Asia.
