C. the bill would increase the number of fres states
"<span>Plants and small animals might suffer, and some might die" would be the best option, since the poor air quality would most likely affect certain plants and not others--some of which would be used for food by small animals. </span>
The correct answer to go in the blank would be letter choice C) Mixed or the third option because its true.
"Frequent battles for succession weakened the Songhai army" is the one among the following choices given in the question that <span>caused the decline of the Songhai Empire. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope it helps you.</span>