Which is a bacterial disease that spreads through the air and attacks the lungs?

How much blood does a healthy agult normally contain

What is your thoughts on the use of medical marijuana? (social experiment) re posted i need 5 opinions there are no wrong answers.

Ascientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions.