If you would like to oversee the quality of indoor and outdoor environments, you would like to be an health specialist

What behavior of an expectant mother is unhealthy for the fetus

Whic disease reduces bone density and causes the bones to become brittle

What link in the chain of transmission is described in the paragraph? sarah has been eating and sleeping poorly. she was just diagnosed with pneumonia. tests showed the illness was caused by streptococcus pneumoniae. in the chain of transmission, sarah is the (blank) , and streptococcus pneumonia is the (blank).