An LD50 (lethal dose 50%) is a dose of a toxic chemical that
A) is an acceptable level of risk for most individuals.
B) all individuals react to.
C) kills individuals 50 years old and over.
D) is 50 times less than the minimal dose.
E) kills half of the population.
Correct Answer:
Verified
Q2: Historically,the greatest threats to human health came
Q3: Which would not be characteristic of a
Q4: Examples of POPs,persistent organic pollutants,include all of
Q5: Detection of toxic chemicals depends upon
A)how many
Q6: The accumulation of a substance,such as a
Q7: Infectious diseases that were previously not known
Q8: Toxic substances are dangerous because they
A)react or
Q9: Most people do their own personal risk
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Q11: The biomagnification of DDT demonstrates that
A)higher trophic
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