They are usually between the ages of teenage and adulthood
Answer:
Drug abuse may lead to all of the above.
Explanation:
A person with sickle cell anemia will have:
Fatigue and Anemia are the most common to occur if you have SCA.
Dactylitis (swelling and inflammation of the hands and/or feet) and Arthritis is also common most likely garenteed to happen.
Splenic Sequestration (sudden pooling of blood in the spleen) and Liver Congestion is fatal and needs to be treated right away.
I hope this helps you :)
Answer: Yes the ozone layer sits at the top to protect us from harmful UV rays from the sun.
Explanation: