Answer:
The answer is A.
Explanation:
In the case of cyanide poisining which prevents the oxygen from being used by the body, the brain is one of the first organs that gets effected because it uses around 20% of the total oxygen intake of the body and the other systems and organs mostly depend on the brain to function properly so the brain runs out of oxygen before the other parts of the body.
I hope this answer helps.
<span>because they are the ones able to harness free energy such as the sun and store it in sugars and other biological chemicals such as fats and proteins. other creature like us eat them to gain our energy so without them we would all starve</span>
