15) “The physical, chemical, and biological laws that operate today have also operated in the geologic past” is a statement of the doctrine of ________________________________.
Respuesta
Uniformatarianism
Universal health
Paleontology
Catastrophism
Pregunta 2
Pregunta
16) The doctrine of __________________ implies that Earth’s landscape has been developed by worldwide disasters over a short time span.
Respuesta
Uniformatarianism
Destruction
Catastrophism
Universal time
Pregunta 3
Pregunta
17) The doctrine of _______________ was put forth by James Hutton in his monumental work Theory of the Earth.
Respuesta
Destruction
Catastrophism
Uniformatarianism
Universal time
Pregunta 4
Pregunta
Atoms with the same atomic number but different atomic mass number are called_________.
Respuesta
protons
isotopes
ions
neutrons
Pregunta 5
Pregunta
A(n) ______________ in the rock record represents a long period during which deposition ceased, erosion removed previously formed rocks, and then deposition resumed.
Respuesta
numeric dating
superposition
relative dating
unconformity
Pregunta 6
Pregunta
Earth is about _________________ years old.
Respuesta
4,000
4.5 million
4.5 billion
5.4 million
Pregunta 7
Pregunta
Which eon of the geologic time scale means “visible life”?
Respuesta
Proterozoic
Phanerozoic
Archean
Hadean
Pregunta 8
Pregunta
“Most layers of sediments are deposited in a horizontal position” is a statement of the principle of ______.
Respuesta
Original horizontality
Superposition
Cross-cutting
inclusion
Pregunta 9
Pregunta
23) A (n) __________ consists of tilted rocks that are overlain by younger, more flat-lying strata.
Respuesta
disconformity
fault
nonconformity
angular unconformity
Pregunta 10
Pregunta
A date that pinpoints the time in history when something took place is known as a (n) _______date.