(C) Sulfur dioxide
(D) Formaldehyde
(E) All pollutants listed above occur naturally in nature.
- Which of the following sequences correctly lists the different wave arrivals
from first to last during an earthquake?
(A) P waves, then S waves, and then finally surface waves
(B) Surface waves, then P waves, and then finally S waves
(C) P waves, then surface waves, and then finally S waves
(D) S waves, then P waves, and then finally surface waves
(E) Surface waves, then S waves, and then finally P waves
- Harmful effects of increased UV radiation on Earth’s surface include all of
the following EXCEPT
(A) reduction in crop production
(B) reduction in the growth of phytoplankton and its cumulative effect on
food webs (C) cooling of the stratosphere
(D) warming of the stratosphere
(E) increases in sunburns and damage to the skin
- Which of the following choices shows the correct order of events that
might occur in the process of primary succession?
(A) Grasses → small bushes → small herbaceous plants → lichen →
conifers → long-lived hardwoods → short-lived hardwoods → bare
rock (B) Bare rock → mosses → grasses → small herbaceous plants →
small bushes → conifers → short-lived hardwoods → long-lived
hardwoods (C) Long-lived hardwoods → short-lived hardwoods →
conifers → small bushes → small herbaceous plants → grasses → bare
rock (D) Bare rock → grasses → mosses → small herbaceous plants →
small bushes → conifers → short-lived hardwoods → long-lived
hardwoods (E) Conifers → bare rock → long-lived hardwoods → small
herbaceous plants → lichen → grasses → small bushes → short-lived
hardwoods 97. Which of the following indoor air pollutants might be
found in older ceiling and floor tiles, attic and wall insulation, and pipes
used in heating systems?
(A) Formaldehyde
(B) Asbestos
