Earth Science Chapter 4 T or F

A plate boundary at which one plate slides under another is called a transform fault boundary.

False

A rift valley is an example of a suspect terrane.

False

Alfred Wegener hypothesized that continents are fixed and unable to move.

False

The earth's oldest rocks are found along the Mid-Atlantic Ridge.

False

The theory of plate tectonics states that the earth's crust is made up of a single massive plate.

False

Fossil records provide a clue to earlier positions of lithospheric plates.

True

Island arcs form along convergent plate boundaries.

True

Many scientists believe that lithospheric plate movement is caused by temperature differences in the mantle.

True

The Mid-Atlantic Ridge is an example of a divergent plate boundary.

True

The similar ages and types of rocks from western Africa and eastern Brazil support the theory of continental drift.

True