You make a sentence shorter without changing its meaning by, switching words around and also adding different words (synonyms) to the sentence making it not change it's meaning.
Explanation:
The explanation to this is it gives you greater knowledge about the subjects and also gives a a greater idea of how to paraphrase this and gives you practice for next time you do it! Good luck on your answer to your question! I hope this helps out!
Answer: The Miller-Urey experiment provided the first evidence that organic molecules needed for life could be formed from inorganic components. Some scientists support the RNA world hypothesis, which suggests that the first life was self-replicating RNA.