Answer:
excavation
Explanation:
Excavation retains its central role in field-work because it yields the most reliable evidence for human activities in the past and changes in those activities from period to period.
In archeology, excavation is the procedure by which archaeologists define, retrieve, and record cultural and biological remains found in the ground. It is an important archaeological tool for understanding the processes of the human past. Past activities leave traces in the form of house foundations, graves, artifacts, bones, seeds, and numerous other traces which are helpful in studying the way of life of the people who lived in that era. Excavation helps uncover this remains.
I'm thinking between a and c
hi here is your answer hope it helps or then sry
Explanation:
Some forms of brain drain can also be beneficial for the country of origin. A moderate amount of brain drain can benefit a country of origin because it results in more educated workers: the possibility of emigrating pushing the population in sending countries to pursue more education
<span>A rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. The prevailing winds are the winds that occur most of the time in a particular place of the Earth</span>
Answer: Antibiotics: 1929. ...
Tissue culture: 1949. ...
Risks of smoking: 1950. ...
Antipsychotics: 1952. ...
DNA: 1953. ...
Immunology: 1958. ...
Oral rehydration therapy: 1960s–1970s.
Explanation:
