The concept of Pangaea refers to a supercontinent that existed millions of years ago and was surrounded by a single ocean called ___.

Panthalassa

What evidence supports the existence of past glaciations in tropical regions according to the Continental Drift Theory?

Evidence of glacial deposits in regions such as Brazil, the Indian peninsula, and Australia indicates that these areas were once connected to colder climates.

Fill in the blank: The three main types of tectonic plate boundaries are ___, ___, and ___.

Convergent, divergent, transform

True or False: The Theory of Plate Tectonics integrates the concepts of Continental Drift and Sea-floor Spreading.

True

Describe the process of sea-floor spreading.

Sea-floor spreading is the process where new oceanic crust is formed at mid-ocean ridges and gradually moves away from the ridge, caused by the upwelling of magma.

Fill in the blank: The ___ Plate is the largest tectonic plate, known for its seismic activity.

Pacific

What is the primary force that drives the movement of tectonic plates?

Convection currents in the semi-fluid asthenosphere beneath the lithosphere drive the movement of tectonic plates.

True or False: Earthquakes can only occur at transform boundaries.

False. Earthquakes can occur at convergent, divergent, and transform boundaries.

What are the two main types of crust that make up tectonic plates?

Continental crust, which is thicker and less dense, and oceanic crust, which is thinner and denser.

Fill in the blank: The ___ Scale measures the magnitude of an earthquake, while the ___ Scale measures its intensity.

Richter; Mercalli

Define diastrophism and its role in shaping the Earth's surface.

Diastrophism refers to the deformation of the Earth's crust due to tectonic forces, leading to folding, faulting, and the formation of mountains.

True or False: Volcanoes are solely formed at convergent plate boundaries.

False. Volcanoes can also form at divergent boundaries and hot spots.

The concept of continental drift proposed that all landmasses were once connected as a single supercontinent known as ___.

Pangaea

True or False: The primary reason Alfred Wegener proposed the continental drift theory was to explain the distribution of fossil remains across different continents.

True