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.
Answer:
Because food kept at room temperature is somewhat exposed to air, and sometimes, the air can contain dangerous chemicals that were perhaps accidentally released, whereas food in the refrigerator doesn't apply to that problem.
Explanation:
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C. Both processes involve energy-carrier molecules.
I believe the answer is Sights often create strong emotional responses. This is not true since the sense of smell is more directly attached to the limbic system and is therefore more likely to cause emotional response. The limbic system is a set of brain structures located on both sides of the thalamus, beneath the cerebrum. it supports functions such as emotion. behavior, motivation, long term memory and olfaction.
I'm pretty sure it's the third one . Biotic means living and abiotic means nonliving.
