The word functions as a coordinating conjunction in this sentence is B. But
Answer:
The role that the cane toad play in the Hawaiian Islands is "invasive species"
Explanation:
The excerpt describes the process of how the cane toad was introduced to the Hawaiian Islands, as a new species in this land and to control pests, it also mentions that by not having many predators the number of cane toads grows rapidly, this two points are clear examples of what represents an invasive species which come from a different land and grows excessively in a new one becoming a new threat to the environment. As the name of the kind of role they played shows, they invaded the Hawaiian lands.
Conclusions made on the basis of unstated or stated evidence are called "inference".
Inference is mainly using observation as well as background in order to reach a logical conclusion.
We practice inference during our everyday lives.
Example:
When you enter your office and find everything clean and in place. You conclude that the housekeeping has cleaned the room.
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In fiction, a symbol can be described as : an object that stands for something other than itself
For example, in hunger games, mocking jay became the symbol of Revolution against the capitol
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