The correct option is C.
In chemistry, a radical is defined as an atom, ion or molecule that possess an unpaired valence electron. Generally, radicals are highly reactive chemically. Examples of radicals are hydroxyl, hypochlorite, nitrate, carbonate, oxalate, permanganate, etc. Free radicals combine with one another or with single atoms to produce neutral substances. In the question given above, the two compounds given in option C have the same type of radical, which is hydroxyl radical.
The similarities between plants and animals are listed below. Both are alive and at a certain stage, both will die. For reproduction, they have organs. They have energy converting and utilizing systems.
Answer:
D. Stem cells are often extracted from human embryos.
Explanation:
This is a major point of ethical concern and is also a root for many abortion conspiracy theories. The reason it is an ethical concern is because harvesting stem cells often times kills the embryo.
The EKG will show up very unnormal and will change the pattern.
Sorry for not answering your question but I just wanted to say you have amazing handwriting :)
