Question :
A particularly problematic salt loving bacterium was discovered by scientists several years ago in the Salado Formation in New Mexico, which is over 1,700 feet below the earth's surface and is supposed to be 250 million years old.
Which of the following can be assumed/ inferred from the given statement? (An assumption is something that is not directly stated but is supposed or taken for granted and inference is something which is not directly stated but can be derived from the given facts)
1. Scientists had difficulty in finding the bacteria below the earth's surface
2. Scientists found presence of salt below the earth's surface
3. The bacterium is one of the oldest bacteria on Earth
4. Both A and B
5. All of the above
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