Peer review involves subjecting the author's scholarly work and research to the scrutiny of other experts in the same field to check its validity and evaluate its suitability for publication. A peer review helps the publisher decide whether a work should be accepted.
I believe it is convergent evolution
Rivers, because rivers have currents that streamlined bodies are built for
The answer is A i hope thats helpful
I believe the answer is it can form polymers like carbs, lipids, proteins, and nucleic acids.