Answer:
<u><em>Microbes,Tuberculosis,Cholera,Feline Immunodeficiency Virus, Symbiosis and Leaf-Cutter Ants</em></u>
Explanation: Hope this helps bro
The medulla oblagonta. Its main function is to send signals to the muscles that control respiration to cause breathing to occur.
The answer is c. is a 65 year old excutive who is very overwight.
A. It has mass.
Air is matter, and can't be seen thus not all matter can be seen.
Any liquid or gaseous is matter (water, air, etc.)
Since it can be liquid or gaseous it doesn't have to maintain it's shape and size to be matter.
