Answer:
A law is subject to change as new evidence is discovered
Anything in the environment that can cause a mutation is called as a mutagen.
Environmental mutagens include:
radiations, chemical, infectious agents, extreme heat.
The environment we live in has a real impact on whether we experience genetic mutations. The quality of water we drink and the air we breathe can actually effect the integrity of our DNA. Our bodies are designed to correct any mistakes, but dangers from the environment can increase our chances of ending up with a mutation.
Treatment<span> of pancreatic cancer may include palliative surgery to bypass clogged areas in ducts or palliative radiation to shrink the tumor. But since the client decided to terminate these medical interventions, the nurse has nothing to anticipate but palliative medical care only. This is for the purpose of giving the patient some relief from pain only. </span>