Meningitis is an inflammation of the membranes (meninges) surrounding your brain and spinal cord. ... Most cases of meningitis in the United States are caused by a viral infection, but bacterial, parasitic and fungal infections are other causes. Some cases of meningitis improve without treatment in a few weeks.
Answer:The real answer is D
Explanation:
Answer:
c. organisms are better adapted to an environment.
Explanation:
With natural selection the parent gives of a gene that is better suited for survival in an environment.