Which of these details does NOT support the central idea?
Central Idea: Even though one of Edison's inventions failed, he never stopped
trying out new ideas.

A) The vocal engine was a cumbersome device for the
user.

B) Edison created a version of the light bulb that
was affordable and long-lasting.

C) Sound waves are not powerful enough to make the
vocal engine useful.

D) The vocal engine had a few fatal flaws.

answer

the best answer is c

which statement best describes why a government’s actions are important in macroeconomics? check all that apply.

1 government controls industry through policy.

2 government is both a consumer and a producer.

3 government can prevent changes and challenges.

4 government can use policy to influence the economy.

5 government can accurately predict economic trends.

1 , 2 & 4 for edgenu

according to this graph, how does supply behave in the long run?

a ]output remains constant.

b ]output increases.

c ]output cannot be predicted.

d ]output decreases.

the answer is a ]   for edgenu