Absolute dating uses to estimate the age of a fossil.
A. radioactive isotopes
B. embryonic structures
C. structural features
D. a molecular clock
E. depth within rock layers
A. radioactive isotopes
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A summer occupation in the Corn Belt states is de-tasseling the corn: removing unwanted male flowers so that female flowers on the same plant are pollinated by the desired pollen for the hybrid corn
What does this tell you about corn? The flowers are _____. A) perfect and the plant is dioecious B) perfect and the plant is monoecious C) imperfect and the plant is dioecious D) imperfect and the plant is monoecious
Which statement is not true about the transport of ATP across the inner mitochondrial membrane on its way to the cytosol?
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