Scientists are often faced with ethical questions, or questions of right and wrong. which of the following are examples?
1. mairead wants to include a hypothesis in her report, and she asks if she must give credit to the scientist who first proposed it.
ii. aiden is planning an experiment on gerbils, and he asks how large the cages should be.
iii. paula is developing a new technique for mining fossil fuels, and she asks if the technique must avoid polluting the environment.
a. i only
b. i. and ii. only
c. ii. and iii. only
d. i, ii., and iii.

The correct answer is option D.

Explanation:

The ethical questions refer to the questions, which are based upon what is morally right and what is wrong. These are the queries, which usually comprise works like ought or should in it. These aspects consider many problems and their solutions, however, without any kind of issue in it.  

In all the mentioned options, there is a sense of ought or sought, and deals with moral or integrity, and is concerned with whether any action is imparting any harm to the animal or the environment surrounding us.  

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