Answer:
to protect the internal organs from outside bacteria
Explanation:
Children who have had cancer and undergone radiation to their head may experience permanent hearing loss.
Radiation therapy is increasingly being used on head and neck tumors, and close to 100% of the radiation delivered may reach the structures of the auditory system.
The answer is c. west nile virus in about year 2012 it appeared and in 1937 there was a outbreak in africa.
Answer:
D. carbon dioxide
Explanation:
Plants need CARBON DIOXIDE and water to produce oxygen and glucose.