How would an economy be affected if a large number of wind generators were added to the power grid?

Which column and row references are updated when you copy the formula: =sum($b5: d$15)? a. column b and row 5 b. column d and row 5 c. column d and row 15 d. column b and row 15

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?