Most of the history of life on earth has involved
A) simple,single-celled organisms.
B) complex,multicellular organisms.
C) dinosaurs.
D) mammals.
Correct Answer:
Verified
Q8: The process that explains the movements of
Q9: An important result of the evolution of
Q10: The earth was formed about
A)1 million years
Q11: At the time the earth was formed,the
Q12: The heavy elements that now make up
Q14: The extinction that wiped out the dinosaurs
Q15: How old is the first evidence of
Q16: The formation of the "supercontinent" of Pangea
A)was
Q17: The earth's continents drift because
A)they are actually
Q18: The sudden appearance of organisms with shells
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