(A) The moderator and control rods absorb neutrons.
(B) The moderator and control rods slow the neutrons down.
(C) The moderator slows the neutrons down, while the control rods absorb
the neutrons.
(D) The control rods slow the neutrons down, while the moderator absorbs
the neutrons.
(E) The moderator slows the neutrons down, while the control rods speed up
the neutrons.
- Which of the cities listed below currently has the HIGHEST level of air
pollution?
(A) Los Angeles, California
(B) Beijing, China
(C) London, England
(D) Donora, Pennsylvania
(E) Mexico City, Mexico
- In 1995, the population of a small island in Malaysia was 40,000. The birth
rate was measured at 35 per 1,000 population per year, while the death rate
was measured at 10 per 1,000 population per year. Immigration was
measured at 100 per year, while emigration was measured at 50 per year.
How many people would be on the island after one year?
(A) 39,100
(B) 40,000
(C) 41,050
(D) 42,150
(E) 44,500
- In which of the following pairs of items would biodiversity be more likely
to be LESS in the first area than in the second?
(A) Savanna, taiga
(B) Large lake, small lake
(C) Temperate area, the Arctic
(D) Temperate area, tropical area
(E) Intertidal zone, benthic zone
- Which choice listed below makes up 60% of the world’s human food
