water . sand . sun
waterWater is the chemical compound of the elements oxygen and hydrogen. The term water is used to describe the liquid state of matter. Water is …
waterWater is the chemical compound of the elements oxygen and hydrogen. The term water is used to describe the liquid state of matter. Water is …
fireFire is the visible manifestation of combustion with the release of heat and light. Depending on the state of aggregation of the combustible material, fire …
windWind is the term used to describe a directional, stronger air movement. The main cause of wind is spatial differences in air pressure distribution. Air …
WaterWater is the chemical compound of the elements oxygen and hydrogen. The term water is used to describe the liquid state of matter. Water is …
In the past years many schools in Germany have been closed. Some have been converted to other uses, others stand abandoned or have been pulled …
A person’s identity is the sum total of many meetings and experiences. Among the first formative influences outside the family are encounters with teachers and …
breathBreath is the amount of air that is moved during the activity of breathing. A person breathes around 20,000 times a day, moving around twelve …