If there is no compositional difference between two oceanic plates, what other factor will determine which plate will become the subducted one and why? (What other factor can control density?)
What will be an ideal response?
Answer: Temperature, which is a function of age. - Colder plates are denser and therefore will become the subducted plate.
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Which one of the following rocks DOES NOT contain any mineral?
a) Quartz Sandstone b) Coal c) Granite d) Rock salt e) Peridotite
Why do most tsunamis occur in the Pacific basin?
a. because the Pacific Ocean is the biggest ocean b. because the Pacific basin is surrounded by active plate boundaries c. because the volcanic Hawaiian Islands are located there d. because more meteors hit in the Pacific Ocean than other oceans e. because the Pacific Ocean is the deepest ocean
The most water can be held within a soil mixture consisting of equal masses of which soil types?
A) Sand and silt B) Clay and sand C) Silt and clay D) Small stones and sand
Winds are always labeled by the ________ from which they blow.
A) isobar B) intensity C) direction D) speed