One of the example would be: <span>Asking women if they have had an abortion
Women who had abortion usually experienced a drastic emotional pressure right before and after the abortion process.
Finding out the harm of abortion by collecting the data from women who never actually experienced wouldn't represent the closest situation compared to the women who actually experienced it.</span>
Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
A. Warmer ocean temp because a hurricane draws in warm air from bodies of water.
Answer:
Water is neutral, lemon is acidic, soda water is acidic, (I don't know what you said the toothpaste pH is), lime water is acidic
Explanation:
Acid: 1-6
Neutral: 7
Base: 8-14