Multiple Choice
Over the past 580 million years, how has biodiversity changed?
A) It has smoothly and steadily increased.
B) It has smoothly and steadily increased until the past 100 years or so.
C) It has generally increased but with punctuations in the pattern.
D) It has rapidly increased until it started to rapidly decrease in the past 100 years or so.
Correct Answer:

Verified
Correct Answer:
Verified
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