D Lucinda
Because all other people have a way to young of a age (there not over 18)
Responsible friends would never engage you in risky behaviours, especially in sexual ones. Responsible friends are most likely not to do this kind of things, but you also have to be responsible.
Hope it helped,
Happy homework/ study/ exam!
Answer: oxygen
Explanation:
The medical condition described here is anaemia. It is a blood cell disorder whereby the red blood cell doesn't function properly and hence doesn't carry enough oxygen to the tissues. This is usually caused when ones body is deficient of iron.
The symptoms that may occur to such patients are weakness, fatigue, headache and pale skin.
Based on the explanation, the answer is oxygen
