What is thtypical pH of rainwater?
A) 3.0
B) 4.2
C) 5.0
D) 7.3
E) 8.4
Correct Answer:
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Q71: Which of thfollowing is an examplof a
Q72: What is thaveragtrash production per person per
Q73: Lichens arclassifieas an examplof a(n)
A)consumer.
B)herbivore.
C)omnivore.
D)indicator species.
E)prokaryote.
Q74: Which substancwill last thlongest when placein a
Q75: What percentagof plastic soft drink bottles arnot
Q77: Eutrophication can leato
A)an algal bloom.
B)depletion of oxygen
Q78: What will thozonlayer absorb?
A)heat
B)sunlight
C)UV radiation
D)dust
E)wind
Q79: Scientists predict that sea levels will risas
Q80: What arthresults of an increasin global temperature?
A)extreme
Q81: Which energy sourcis thmost sustainable?
A)coal
B)petroleum
C)natural gas
D)solar
E)oil shale
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