Answer:
<h3>plant has cell wall but animals don't have </h3>
The correct answer is: D) A and B only
Pneumonia is an inflammatory condition of the lungs that is usually caused by infection with viruses or bacteria. Pneumonia causes the fluid fill of the alveoli (air sacs). As a result symptoms such as cough with phlegm or pus, fever, chills, and difficulty breathing might occur. Pneumonia can be serious condition, especially for infants and people with weakened immune systems.
Answer:
it is based on observation becasuse you dont automaticly lknow everythig in science sorry about the spellig
Explanation: