Yes. Brain cells need oxygen to survive.
The correct answer is known as "Meningitis"
Meningitis is is an infection of the membranes (meninges) surrounding your brain and spinal cord. The swelling from the illness usually triggers signs which includes headache, fever and a stiff neck. Most cases of meningitis within the U.S. are because of a viral infection, however bacterial and fungal infections are other causes. some cases of meningitis enhance with out remedy in some weeks. Others may be fatal and require immediate antibiotic remedy
The answer is C. Australia
That would be 0.42? Unless your asking something different