Acute effects of a toxin appear
A. Long after exposure
B. When there is sustained contact
C. Immediately after exposure
D. Only after repeated exposure
E. To cause permanent damage if the individual survives the initial exposure
Answer: C
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Ethiopia and Eritrea adopted which form of Christianity?
A) Protestantism B) Evangelical Christianity C) Roman Catholicism D) Orthodox Christianity E) Coptic Christianity
Mammals did not evolve until the beginning of the Cenozoic and then did so to fill an evolutionary niche left behind by the dinosaurs
Indicate whether this statement is true or false.
Food consumption varies around the world because of variations in
A) level of economic development. B) physical conditions. C) cultural preferences. D) All of these are responsible for variation in food consumption.
How can the extinction of bird species create a ripple effect through the rest of the ecosystem?
What will be an ideal response?