How is the introduction of the cane toad to queensland, australia an example of the unintended consequences of using non-native species to control pests? (site 1)

37. dr. homer slimpson, an economics professor, decided to take a year off from teaching to run a commercial fishing boat in alaska. that year, professor simpson would be officially counted as a) not in the labor force b) employed c) fictionally unemployed d) structurally unemployed

Describe alvord's tone in the two paragraphs on the history of dartmouth and its native american studies program (paras. 21-22)?

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence