Which one of the following phenomena can lead to Paleontological Evidence for documenting global climate change?
a. Both the tree pollen and the grass pollen live in a similar climate belt
b. The dominance of the tree pollen or the grass pollen found in sediment does not depend on climate
c. Tree pollen dominates when the climate is cooler; while grass pollen dominates when it is warmer
d. None of the above
Answer: c. Tree pollen dominates when the climate is cooler; while grass pollen dominates when it is warmer
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A) infiltration of water B) forming and dissolving minerals by weathering C) accumulation of organic matter D) soil erosion
What is the approximate molecular weight of a ribosome?
A) 1 x 10^5 amu B) 5 x 10^5 amu C) 1 x 10^6 amu D) 5 x 10^6 amu
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Fill in the blank(s) with correct word
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a. True b. False