Answer:
It encourages the growth of a group of certain bacteria while inhibiting the growth of others. It contains a high concentration (~7.5%-10%) of salt (NaCl), making it selective for gram positive bacteria Staphylococci (and Micrococcaceae) since this level of NaCl is inhibitory to most other bacteria.
Explanation:
Answer: Some are green because of the chlorophyll, some chlorophyll breaks dowm when its cold
Explanation:
Answer:
trachea
Explanation:
it is a tube that connects troat and bronch
A volatile acid can leave the solution and enter the atmosphere