Identical fossils were found on continents that were far apart.
Each continent had mountain ranges.
The earths rotation could provide enough force to move the continents apart.
new ocean ridges and seafloor
volcanoes
earthquakes
Cold dense material moves horizontally while hot less dense material moves vertically.
Hot less dense material sinks while cold dense material rises.
Cold dense material sinks while hot less dense material rises.
solids
liquids
gases
Which of the following types of volcanoes has steep sideswith a broad gently sloping base?(Points : 3)
shield-volcano
composite-conevolcano
cinder-conevolcano
hot-spotvolcano
Question 8.8. What type of material is released from avolcano? (Points : 3)
lava
gases
pyroclasticmaterial lava and gases
pyroclasticmaterial
Question 9.9. What term is used when describing characteristicsof magma flow? (Points : 3)
viscosity
temperature
silica content
composition
Question 10.10. Which of the following may be associatedwith the collision of two sections of continental crust? (Points : 3)
earthquakes anda mountain range
earthquakesvolcanoes and trenches
hot-spotvolcanoes
trenches andearthquakes
Question 11.11. The S-P interval of seismic waves recordedat a seismometer is 8 minutes. Approximately how far away is the earthquakesepicenter from the seismometer? [equation: (S-P interval) = 0.00146 (distanceto epicenter)]
less than 1 km
550 km
5500 km
8 km
Question 12.12. Deposits of economic minerals might beassociated with which of the following?
two sections ofcontinental crust moving together
two tectonicplates moving past each other
two tectonicplates moving apart
an oceanicplate and a continental plate moving together
Andes
Mariana Trench
Japan
distance to the ocean
time of an earthquake
interior of the earth
Question 21.21.
A seismograph station is located 2000 km from an earthquakes epicenter. Explain the order that the S and P waves will arrive at the station. Using what you know about the characteristics of the different waves explain your answer.