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nexus9112 [7]
3 years ago
12

The oldest known fossils are ______ years old and resemble formations made by ______. Multiple choice question. 2.5 billion; cya

nobacteria
Biology
1 answer:
Lostsunrise [7]3 years ago
6 0

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.

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