The table shows some important inventions from the last 200 years. From the data in the table, what can be inferred?

Inventor Nationality Invention Date
Alessandro Volta

Italian First chemical battery 1800
Humphry Davy

British First electric light 1809
Gertrude Elion

American Leukemia-fighting drug Purinethol 1953
Barthélemy Thimonnier

French First sewing machine 1829
Frederick M. Jones

African-American Refrigeration for long-haul trucks 1949

Question

The table shows some important inventions from the last 200 years. From the data in the table, what can be inferred?

Inventor	Nationality	Invention	Date
Alessandro Volta

Italian	First chemical battery	1800
Humphry Davy

British	First electric light	1809
Gertrude Elion

American	Leukemia-fighting drug Purinethol	1953
Barthélemy Thimonnier

French	First sewing machine	1829
Frederick M. Jones 

African-American  	Refrigeration for long-haul trucks 	1949

anonymous · Answer

a Inventors from all cultures are important.
bOnly females can be inventors.
c People never share their inventions with others.
d Technology cannot be advanced further.

anonymous · Answer

A