Index fossils are found throughout the world and come from organisms which existed during limited periods of geologic time. Which of the following best describes what index fossils can be used to determine?
A.
the age of a layer of rock
B.
the way an organism went extinct
C.
when an organism first appeared on Earth
D.
how an organism evolved over time
Answers: 3
History, 22.06.2019 05:40
What originally inspired countries to band together in intergovernmental organizations (igos) ? (apex) a. climate change b. a period of peace c.population decline d. global conflicts
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Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another?focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery?question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.
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History, 22.06.2019 08:40
Why were the chang and xi rivers important to china’s development? a. they keep invaders out. c. they kept china isolated. b. they provided a route for ships to travel inland. d. they provided boundaries for the different political sections
Answers: 1
Index fossils are found throughout the world and come from organisms which existed during limited pe...
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