The word toxic in line 3 means _________.
Correct answer: A
Knowledge: Reading comprehension
The word “toxic” in line 3 means __________ .
A. poisonous (adj): poisonous
B. useless (adj): useless
C. useful (adj): useful
D. harmless (adj): harmless
Information: Toxic compounds threaten animals and public health when they are present in food plant, ground water, and drinking water.
(Toxic compounds threaten animals and public health when they are present in food crops, groundwater, and drinking water.)