Answer:
1
Explanation:
Lichen are usually the first thing to grow on bare rock, making them a pioneer species. Fun fact, you can use lichen to determine if the air quality in an ecosystem is polluted.
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Like Geography, climate, times and environment system
The layers on the top may be younger, while the bottom layers may be much older.
If Lorenzo would quit smoking,reduce his intake of alcohol and improve his healthy eating behaviors and also increasing his physical activity it would mean his lifestyle changes would then increase telomerase activity. Increase telomerase is one way of the body to deal with stress and for the protection of DNA from destruction.
The age of the wood would be 17,151 year's old.
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