Answer: Antibiotics: 1929. ...
Tissue culture: 1949. ...
Risks of smoking: 1950. ...
Antipsychotics: 1952. ...
DNA: 1953. ...
Immunology: 1958. ...
Oral rehydration therapy: 1960s–1970s.
Explanation:
3). he had explored the world
4). Because they r all they need
<span>In
this event where Kate remembers the memory from her childhood, this is from her
long term memory also called as Explicit memory. Long term memory are stored in the brain and
shows that it is always available in the brain. </span>
Four of the earliest agrarian societies developed in fertile river valleys. Since people had already tamed plants and animals in those areas, societies had a head start. The first of these was in Mesopotamia, where Iraq is today. The land between the Tigris and Euphrates rivers was especially fertile