The diagram below illustrates the carbon cycle in nature.
The diagram shows how carbon moves through various stages to form a complete cycle. This report will give a brief description of the main stages in this cycle.
First, we can see that energy from the sun is transformed into organic carbon through a process in plants known as photosynthesis. This organic carbon is then transferred underground when plants, and the animals that feed on them, die and decay. Some of this carbon is trapped underground in the form of fossils and fossil fuels.
Carbon is also released back into the atmosphere, however, through various means. One is when animals and plants respire, and another is when humans burn fossil fuels in cars and factories. All this carbon enters the atmosphere as CO2. It is then reabsorbed by plants, and the cycle begins again.
Overall, we can see that carbon moves in a natural cycle, although human factors may now be affecting the balance.
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Comments
In the Ielts book said that
In the Ielts book said that 'you do not have to take all the features written in the diagram.'
flaws:
No. of Words: 154 200 //Look, there is 'ocean uptake' too.
Attribute Value Ideal
Score: 6.5 out of 9
Category: Good Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 10 10
No. of Words: 154 200
No. of Characters: 729 1000
No. of Different Words: 90 100
Fourth Root of Number of Words: 3.523 4.0
Average Word Length: 4.734 4.6
Word Length SD: 2.423 2.4
No. of Words greater than 5 chars: 54 60
No. of Words greater than 6 chars: 34 50
No. of Words greater than 7 chars: 14 40
No. of Words greater than 8 chars: 11 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 15.4 21.0
Sentence Length SD: 4.247 7.5
Use of Discourse Markers (%): 0.5 0.12
Sentence-Text Coherence: 0.399 0.35
Sentence-Para Coherence: 0.644 0.50
Sentence-Sentence Coherence: 0.127 0.07
Number of Paragraphs: 4 4