Multiple Choice
Immediately after the Permian extinction event, the carbon dioxide and methane released by volcanism caused the Earth to
A) initiate a snowball Earth phase
B) start an ice age
C) begin a period of intense global warming
D) completely change the composition of its atmosphere
Correct Answer:
Verified
Correct Answer:
Verified
Q116: What happened at the start of the
Q117: Based on current scientific evidence, what is
Q118: The first life to originate on Earth
Q119: A small piece of debris that burns
Q120: What is one reason that early life
Q122: Microfossils are<br>A) fossilized microbes<br>B) the remains of
Q123: The first plants probably evolved from<br>A) plankton<br>B)
Q124: The very first living organisms on the
Q125: Why do we believe the Cambrian explosion
Q126: The relationship between organelles and their host