DNA supports evolution because all life on Earth carries DNA, and evolution happens only after DNA changes. These changes are called mutations and happen spontanoulsy from flawed DNA copying or from mutagens, such as X-rays or chemicals.
Answer: The ultimate goal of the peer review process is that you can have others review and look over your work for things that are incorrect, need fixing, or need rewording. When we write things on our own, we sometimes make unconscious errors that we sometimes do not even catch in revision. Having a new set of eyes look at something helps to catch errors that we might miss. It is very similar to reading your work out load to catch errors, as reading something out loud is another effective strategy when reviewing your work.
Answer:
Explanation:
During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.
