Ocean Flore and Boundaries

The process occurring at H is ____

• subduction zone

• divergent boundary

• magma coming up through the crust and cooling

• sea floor spreading

The geologic feature found at D is a ________

• seamount

• Midocean Ridges

• guyot

• sea floor spreading

C is pointing to _____________________

• trench

•   guyot

• seamount

• mid-ocean ridge

The geologic feature found at F is a _______________________

• mid-ocean ridge

• seamount

•  

  continental shelf

• Trench

Underwater mountains that have a flat top are called ________. 

• seamount

• guyot

• volcano

• ridge

_________ are used as evidence of sea floor spreading. 

• rocks near the ridge have more sediment

• magnetic anomaly bands

• rocks near the ridge are older

• fossils that match

Which geologic province is described as a large, flat, home on the ocean floor?

• continental shelf

• seamount

• guyot

• abyssal plain

Which of the following is found at boundaries where lithospheric plates are destroyed, or recycled, into the earth?

• Continental shelves

• Ridges

• Seamounts

• Trenches

The supercontinent in the continental drift hypothesis was called __________________. 

• Pangaea

• Pandora

• Panthalassie

• Westeros

Tsunamis are a result of underwater earthquakes occurring at which type of plate boundary?

• seafloor spread

• divergent

• asthenospheric

• convergent