Although nitrogen is very abundant in the atmosphere, it is largely inaccessible ... an ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers and ...

The cycle repeats when this crop is harvested (Figure ... nitrate can be converted to a gas by microbes and lost to the atmosphere through a process called denitrification. Nitrogen can be transported ...

However, although our atmosphere contains plenty of nitrogen ... UK—investigated the nitrogen cycle in ancient stromatolites, ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential component in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Nitrates and other ...

Scientists from The University of Manchester and NCAS have identified unique species important to the marine reduced nitrogen cycle, including the first observations of gas-phase urea in the ...

Most of the atmosphere is nitrogen (80%) with around 20% oxygen ... in different ways and have different properties. The rock cycle Rocks are constantly due to different processes.

Although nitrogen is very abundant in the atmosphere, it is largely inaccessible ... an ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers and ...