Search
Vocabularying
Listening
Reading
1. Academic
2. General
Writing
1. IELTSWriting Checker
2. IELTS Writing Samples
Speaking
1. Latest Topics
2. Speaking Club

Do you want to improve your writing? Try our new evaluation service and get detailed feedback.

The diagram below shows part of the nitrogen cycle on Earth. The black arrows represent the movement of nitrogen as it is changed.

The diagram below shows part of the nitrogen cycle on Earth. The black arrows represent the movement of nitrogen as it is changed. 3Lbxd

The diagram explains the nitrogen cycle on Earth. The black arrows represent the movement of nitrogen and how it changes during the process. Nitrogen gas (N2) in the atmosphere is converted into nitrogen compounds by plants or bacteria in the soil. Animals like the cow shown on the diagram consume the nitrogen compounds, which are contained in the plants. When the animals digest the plant and produce waste, it goes back into the soil. The nitrogen gas is also converted into other nitrogen compounds by bacteria in the soil. Other types of plants and bacteria change these nitrogen compounds from animal waste or other bacteria into nitrogen gas again. The gas goes back into the atmosphere, back where it started from. Nitrogen plays a very important role in our ecosystem. The nitrogen compounds, when absorbed by plants and eaten by animals, provide the building blocks for proteins. These proteins are essential for life.

The diagram This phrase/word (depending on the context) can be potentially replaced with :interprets
explains
 the nitrogen cycle on Earth. The black arrows represent the movement of nitrogen and how it This phrase/word (depending on the context) can be potentially replaced with :altersadjusts
changes
 during the process.

Nitrogen You use this word too often, consider replacing it withvaporsmoke
gas
 (N2) in the atmosphere is converted
 into nitrogen compounds by You use this word too often, consider replacing it withflowershrubtreevinegrassseedling
plants
 or bacteria in the soil. You use this word too often, consider replacing it withpetbeastcreature
Animals
 like the cow shown on the diagram consume the nitrogen compounds, which are contained
 in the You use this word too often, consider replacing it withflowershrubtreevinegrassseedling
plants
. When the You use this word too often, consider replacing it withpetbeastcreature
animals
 digest the You use this word too often, consider replacing it withflowershrubtreevinegrassseedling
plant
 and produce waste, it goes back into the soil. The nitrogen You use this word too often, consider replacing it withvaporsmoke
gas
 is also
 converted into other nitrogen compounds by bacteria in the soil. Other types of You use this word too often, consider replacing it withflowershrubtreevinegrassseedling
plants
 and bacteria This phrase/word (depending on the context) can be potentially replaced with :alteradjust
change
 these nitrogen compounds from You use this word too often, consider replacing it withnaturalbodily
animal
 waste or other bacteria into nitrogen You use this word too often, consider replacing it withvaporsmoke
gas
 again. The You use this word too often, consider replacing it withvaporsmoke
gas
 goes back into the atmosphere, back where it This phrase/word (depending on the context) can be potentially replaced with :initiated
started
 from.

Nitrogen plays a This phrase/word is too simple and can be replaced with:extremelyimmenselysupremelysuperb
very
This phrase/word is too simple and can be replaced with:vitalcriticalessential
important
 role in our ecosystem. The nitrogen compounds, when absorbed by You use this word too often, consider replacing it withflowershrubtreevinegrassseedling
plants
 and eaten by You use this word too often, consider replacing it withpetbeastcreature
animals
, provide the building blocks for proteins. These proteins are essential for life. 