nitrogen cycle

nitrogen cycle   Dan carbon cycle

Nitrogen cycle, circulation of nitrogen in various forms through nature Nitrogen, a component of proteins and nucleic acids, is essential to life on Earth

Nitrogen fixation generally refers to the process in which atmospheric nitrogen is converted into ammonia Conversion of atmospheric N to ammonia The Nitrogen Cycle Environmental Chemistry Chemistry

ลักษณะหางแมว What is the Nitrogen Cycle for Aquariums? The nitrogen cycle basically describes how nature creates food , fish eat The nitrogen cycle refers to the cycle of nitrogen atoms through the living and non-living systems of Earth The nitrogen cycle is vital for