Is malaria caused by environmental factors?

Why do zoo keepers at the bird house need to be concerned about the west Nile virus? Does rhesus incompatibility cause infertility? What is the frequency range of gamma ray? Can you get rabies if you eat a food contaminated with a saliva of a rat? What are the effects of hair dyes to hair structure? What phobia is the fear of addiction? What is the size of colostomy bag? Every day continued masterbution it is bad or good? When were skeletons invented? What is a blood vessel widen in the area affected by pathogens? Why do your fingers turn green when you wear real jewelry? Is this a correct assumption...hypoxemia is to hypoxia as O2 Saturation is to ABG levels? What part of the vertebrae supports the weight of the head and trunk? Can manicans get pregnant? What is the function of the organic matrix in bone? Why do test tube babies have to be put back in the uterus of the mother? What is the clinical manifestation of amenorrhea? What substance found in greater concentration in renal vein then in renal artey? What is a name for an attack of painful spasms? Is there a treatment for kawasaki disease?