A risk manager would do which of the following?

A) establish rules restricting the use of a new herbicide
B) determine the neurological effects of a new herbicide
C) assess the LD50 level of a new herbicide
D) set the purchase price of a new herbicide
E) determine the level of exposure of farm workers to a new herbicide


Answer: A

Environmental & Atmospheric Sciences

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Which of the following has the highest boiling point?

A) butane B) propanal C) ethyl methyl ether D) 1-propanol

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You are exploring an ocean basin and trying to determine whether it formed by sea floor spreading. Which of the following evidence would you NOT expect to find in an actively spreading ocean?

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Shifting cultivation in North America referred to what major Indigenous foodstuffs?

A) squash, wild berries, deer B) maize, tomatoes, potatoes C) maize, squash, beans, tobacco D) tobacco, fish, migrating birds E) none of the above

Environmental & Atmospheric Sciences