After reading this essay you will learn about the oxygen cycle. The oxygen cycle is the biogeochemical cycle that describes the movement of oxygen within and between its three main reservoirs; the atmosphere (air), the biosphere (living things), and the lithosphere (Earth’s crust). The main driving factor of the oxygen cycle is photosynthesis, which is […]
Oxygen Cycle: Essay on the Oxygen Cycle | Earth | Geography
Article shared by : 
Nitrogen Cycle: Essay on the Nitrogen Cycle | Earth | Geography
Article shared by :
After reading this essay you will learn about the nitrogen cycle. Nitrogen atoms are constantly moving in a giant circle from the air, through the soil, into the bodies of plants and animals, and eventually back to the air. This whole process is called the nitrogen cycle. All living things need nitrogen to develop and […]
Carbon Cycle: Essay on the Carbon Cycle | Earth | Geography
Article shared by :
After reading this essay you will learn about the carbon cycle. Balance is essential to the earth. Chemical cycles keep the amount of elements on the earth in a perfect balance. Carbon is essential for the chemical processes that support life. It plays such an important role in life that sometimes we say that life […]