Which of the following will make the most effective poison for rats and mice?
A) ethyl alcohol, LD50 = 2.08 g/kg
B) acetaminophen, LD50 = 0.340 g/kg
C) ethylene glycol, LD50 = 0.00686 g/kg
D) ricin, LD50 = 0.000005 mg/kg
Question 2
The initial or tentative explanation of an observation is called a(n) ________.
A) law
B) theory
C) hypothesis
D) experiment
E) test