Oxygen is what plants release into the atmosphere
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Only eukaryotic cells have membrane bound organelles. Prokaryotes organelles just float in the cytoplasm.
Answer: The question is not complete as options are not complete , the remain part are;
A. 3.7 years, photosynthetic bacteria.
B. 3.7 years cyanobacteria.
The correct option is
3.7 billion years old, cyanobacteria and stromatolite.
Explanation:
This is because cyanobacteria is the oldest fossil to exist and they have been in existence for about 3. 7 billion years. These cyanobacteria photosynthesized because they have thread like chlorophyll filament, they produce food through the process of photosynthesis which is needed for their survival and they release oxygen as bye product.
Explanation:
tttyyygftj that's all I have
There are many fish in the world.
but it’s probably not that hard tbh.
