Answer:
All of the above
Explanation:
The Paleozoic Era consists of 6 different periods:
1. Cambrian
2. Ordovician
3. Silurian
4. Devonian
5. Carboniferous
6. Permian
The given condition is termed as Infertility.
The infertility can be defined as the condition, in which the woman is not able to produce the young ones. This condition can be characterised by the absence of pregnancy, when no protection is used during intercourse or not able to stay pregnant. This condition can be a result of the fault in the reproductive system of the woman.
Explanation:
carbon dioxide is added are the atmosphere naturally with organisms respire or decompose carbonate rocks are weathered,forests fires occur,and volcanoes eript.Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossils fuels and forests and the production of cement.
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