The most concentrated source of calories come from protein, vitamins fats or carbohydrates

Define alcohol and use it in an original sentence

What ingredients used in tobacco products been banned?

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).