The germ theory of disease
eventually led to the development of certain types of vaccines. This theory explains
that specific type or types of microorganisms, which are bacteria, virus, fungi,
or protest species, cause some diseases. These organisms can enter the human
body, and can even grow and reproduce, causing infection, inflammation to
specific organs in the body, and others. One particular vaccine developed successfully
through this understanding is the smallpox vaccine, which is an important
vaccine up to this day.
Answer:
Molecule
Explanation:
when two or more than two non-metal elements are combined then it form Molecule.
Answer:
Ethane
Explanation:
CH3-CH3 is an alkane by the name of ethane. In organic chemistry there is a systematic way of naming compounds according to the prefix (eth) and the suffix (ane.)
The prefixes vary according to the number of carbon atoms:
1 C = meth
2 C = eth
3 C = prop
4 C = but
