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Question 1
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An example of a plate boundary is pictured below.

An illustration shows the tectonic plates pushing together. The plate on the right dives underneath the plate on the left.

Select the statements that are TRUE.

(2 points)
Responses

Subduction is occurring at this plate boundary.
Subduction is occurring at this plate boundary.

Convection currents within the mantle are moving the plates.
Convection currents within the mantle are moving the plates.

Rift valleys are common at this type of boundary.
Rift valleys are common at this type of boundary.

This is a divergent boundary.
This is a divergent boundary.

This type of boundary can form an oceanic trench.
This type of boundary can form an oceanic trench.

1 answer

Based on the description provided, it seems that the plate boundary in the illustration involves one plate diving underneath another, which indicates a convergent boundary. Here are the true statements based on that understanding:

  1. Subduction is occurring at this plate boundary. (TRUE)
  2. Convection currents within the mantle are moving the plates. (TRUE)
  3. Rift valleys are common at this type of boundary. (FALSE - Rift valleys are typically associated with divergent boundaries, not convergent boundaries.)
  4. This is a divergent boundary. (FALSE)
  5. This type of boundary can form an oceanic trench. (TRUE)

So, the true statements are:

  • Subduction is occurring at this plate boundary.
  • Convection currents within the mantle are moving the plates.
  • This type of boundary can form an oceanic trench.