Thomas Edison's contribution to the search for cheap and ...

[ARLKQ]

Question 1

The mound builder societies were characterized by
 
  a. hunting and gathering.
  b. power struggles among rival groups.
  c. small settlements.
  d. large-scale trade and commerce.

Question 2

Thomas Edison's contribution to the search for cheap and efficient indoor lighting was the
 
  a. fluorescent lamp.
  b. arc light.
  c. incandescent bulb.
  d. gaseous-discharge bulb.

[triiciiaa]

Answer 1

ANSWER: d

Answer 2

c

[ARLKQ]

Thanks for the timely response, appreciate it

[gcook]

Great answer, keep it coming