An ethical concern is a problem that requires someone to choose between alternatives to label something as "right" or "wrong", hence the ethical part.
So, I assume that ethical concern, regarding research, is when you must label different sources as obtaining proper information, or if it's incorrect(?).
I'm only guessing here, sorry, but that's the best I have.
Answer:Heat caused the water to become a gas.
Explanation:
Sonogram machines allow parents of a fetus to know the gender before birth, therefore encouraging gendercide for parents who do not desire a child of a specific gender, sometimes leading them to decide to terminate.
The answer is c or a because it definitely doesn’t pass through a vacuum the fastest
