The first organisms on land were
A) plants.
B) insects.
C) fish.
D) amphibians.
E) reptiles.
Correct Answer:
Verified
Q51: The half-life of uranium-238 is 4.5 billion
Q52: Which period contains the present day?
A) Tertiary
B)
Q53: Earth is estimated to be around
A) 6,000-8,000
Q54: If a radiometric analysis of an isotope
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Q57: How old are the oldest known fossils?
A)
Q58: If a rock contains 75% lead-206,you would
Q59: Based on the information in the partial
Q60: Based on the information in the graph,approximately
Q61: Large plant-eating dinosaurs were common during the
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