1⟩ When, in the geologic column, did dinosaurs become extinct
1. at the Cretaceous-Tertiary boundary
2. at the Jurassic-Cretaceous boundary
3. at the Triassic-Jurassic boundary
4. at the Permian-Triassic boundary
Answer: 1
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1. at the Cretaceous-Tertiary boundary
2. at the Jurassic-Cretaceous boundary
3. at the Triassic-Jurassic boundary
4. at the Permian-Triassic boundary
Answer: 1
1. Jurassic
2. Triassic
3. Cretaceous
4. Tertiary
Answer: 2
1. delta
2. alluvial fan
3. braided stream
4. mid-channel bar
Answer: 2
1. warm and dry
2. warm and wet
3. cool and dry
4. cool and wet
Answer: C
1. arete
2. hanging valley
3. fjord
4. dike
Answer: D
1. permeability
2. porosity
3. viscosity
4. wetability
Answer: A
1. terminal moraine
2. end moraine
3. ground moraine
4. medial moraine
Answer: B
1. hurricanes
2. tornadoes
3. earthquakes
4. volcanic eruptions
Answer: B
1. 66 ½oNorth
2. 90oNorth
3. 66 ½oSouth
4. 90oSouth
Answer: 3
1. altocumulus
2. altostratus
3. cirrocumulus
4. nimbostratus
Answer: 3
1. running water
2. ambient temperature
3. topology
4. gravity
Answer: 4
1. intensity of P-wave
2. intensity of S-wave
3. difference in intensity between P and S-waves
4. time interval between P-wave and S-wave arrival
Answer: 4
1. structure and color
2. mineralogy and texture
3. structure and weight
4. shape and size
Answer: 2
1. as hot as the surface of the sun
2. much hotter than the surface of the sun
3. much cooler than the surface of the sun
4. it cannot be estimated
Answer: 1
1. lenticular
2. contrails
3. stratocumulus
4. mackerel
Answer: 1