The problem starts already earlier:wildlife experts can only estimate the number of species in the world generally!
This is the case because there are simply too many species, and it takes time to documents them; because some areas (ocean bottom for example) are very hard to access and because sometimes it's hard to know whether we're talking about a new species or a variation within the same species.
so if we even don't know how many species there are, it's even harder to know how many are endangered.
d. The right to refuse to participate in the study is the ethical principle violated in the study.
<u>Explanation:</u>
Dr. Lewis decided to conduct a study on the television viewing habits of her students. So she demanded her students her complete and return the survey regarding their television viewing habits.
The survey is about making the self-report which is used to know about the feelings, attitudes and beliefs of the participant.
Lewis forced her students to complete the survey, here Lewis violates the rights of the students to refuse the survey.
The answer to this quietion is a
Answer: It depends on what you mean because slavery is still alive today unfortunately in other countries. I'm assuming you mean African American slavery in the USA. Your answer would be from the 1600s - 1865. But at the same time, not every state started slavery at the same time. For instance, Georgia didn't start until the 1700s so it varies, but the first state was Massachusetts in 1619.
