The are complete opposites as photosynthesis removes carbon dioxide from the sky/atmosphere while respiration puts back the carbon dioxide as it uses oxygen and carbon dioxide is like the waste of it
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A. the evolution of the first air-breathing animals that could live on land
Explanation:
The event or set of events that is the most significant part of all the given options is that of the evolution of the first air-breathing animals that could live on land.
- The geologic time scale records deep time.
- It places events in order of their occurrence.
- Geologic time scale extends from the time of the earth's formation present.
- It preserves a record of land mark events that has shaped the earth.
- The evolution of the first air-breathing animals that could live on land is a significant event that occurred millions of years ago and it is a significant part of the geologic time scale.
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The correct answer is B. United States, United Kingdom, Singapore, Hong Kong
Answer:
The rough er has ribosomes attached to it and the smooth er does not