Geography High School

Glacial scarring found in tropical regions is an example of evidence for what? A)Theory of Polar connectivity B) The Theory of Continental Drift C)Sea floor spreading D)Theory of Catastrophism

Answers

Answer 1

Glacial scarring found in tropical regions is evidence for the Theory of Continental Drift (B).

Glacial scarring refers to the marks and features left behind by glaciers as they move across the land. These features include scratches, grooves, and sediment deposits that are typically associated with the movement of glaciers in polar or high-latitude regions.

However, the presence of glacial scarring in tropical regions suggests that these areas were once located closer to the poles or experienced significant climatic changes in the past.

The Theory of Continental Drift, proposed by Alfred Wegener, suggests that the Earth's continents were once joined together in a supercontinent called Pangaea and have since moved apart over time. The presence of glacial scarring in tropical regions supports this theory, as it indicates that these regions were once located in different climatic zones due to the movement of continents.

This evidence helps to substantiate the concept of continental drift and provides insights into the geological history and changing configurations of Earth's landmasses.

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Related Questions

At which of these latitudes is the air moving fastest? A)10 degrees North B)60 degrees North C)30 degrees North D)45 degrees North

Answers

The latitude at which the air is moving the fastest among these four latitudes is-B.  60 degrees North.

What does it entail?

Latitude: A location on the surface of the Earth is identified by its latitude, a geographic coordinate. Latitude is measured in degrees, with the Equator being defined as zero degrees and the North Pole as 90 degrees.

Likewise, the South Pole is defined as 90 degrees south latitude. Because of the planet's rotation, latitudes that are farther from the Equator have slower air speeds.

As a result, polar latitudes experience frigid temperatures as the cold, dense air settles close to the surface.

The Intertropical Convergence Zone (ITCZ) and the Subtropical Jet Stream are two of the factors that influence latitude air speed. The air moves quickest at the subtropical jet stream.

The following latitudes are listed in the question and the air speeds are compared:

10 degrees North: The latitudes closer to the Equator have slower winds. This is due to the fact that the equatorial zone receives a lot of sunshine, which heats the air. As a result, it has a low atmospheric pressure, and air rises slowly, resulting in low wind speeds.60 degrees North: The polar latitudes have slower air speeds. The North Pole, for example, has minimal winds.30 degrees North: This is one of the latitudes that receive trade winds. The subtropical high pressure region is the area that produces trade winds. As a result, at this latitude, the winds are neither fast nor sluggish.45 degrees North: The prevailing westerlies are the dominant winds at this latitude. This wind is responsible for moving weather systems in the mid-latitudes, and it's neither fast nor sluggish.

Therefore, the fastest air movement is at 60 degrees North.

Hence, option b. is correct.

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MATCHING (write the correct letter in the blank): 36. embayment a) rock protruding from the ocean and disconnected from shore 37. sea stack b) part of the mainland protruding seaward 38. sea arch c) a sandy area connecting an island to mainland 39. headland d) a sandy area that is set back from the shoreline 40. tombolo e) an opening created by wave refraction

Answers

The correct words that matches with the definition are:

36. embayment: a sandy area that is set back from the shoreline. (D)

37. sea stack: part of the mainland protruding seaward (B)

38. sea arch: an opening created by wave refraction (E)

39. headland: rock protruding from the ocean and disconnected from shore (A)

40. tombolo:  a sandy area connecting an island to mainland (C)

A tombolo is an isthmus made of sand or shingle. A tombolo is a deposition landform in which an island is joined to the mainland by a small stretch of land, such as a spit or bar. The word "tombolo" is derived from the Italian word "tombolo," which means "pillow" or "cushion."

When a cave is continuously eroded and extended to the point that it goes directly through a headland, Sea Arches are created.

A sea stack develops when a sea arch keeps getting wider and degraded until the rock is no longer able to support the roof and falls into the water.

Sand and clay-based rock, as well as other soft rock types, erode at a faster rate than chalk-based rock. This leaves a headland, which is a peninsula of land that protrudes into the sea.

Embayment are often enclosed by rocky, steep shorelines, have relatively broad openings that allow free interchange with the ocean, and are deep in comparison to other forms of coastal waterways.

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36. Embayment: A large, curved coastal indentation with a wide opening.

37. Sea stack: A tall isolated rock column in the sea formed by erosion.

38. Sea arch: A natural bridge or arch formed by erosion of a headland.

39. Headland: A narrow land projection into water, surrounded by water on three sides.

40. Tombolo: A sandy or gravelly strip connecting an island to the mainland or another island.

36. embayment: a) a large, curved indentation of a coastline, often characterized by a wide opening.

37. sea stack: b) a tall column of rock standing isolated in the sea, formed by erosion of surrounding cliffs.

38. sea arch: c) a natural arch or bridge formed by the erosion of a headland, leaving a passage beneath.

39. headland: d) a narrow area of land that projects into a body of water, usually surrounded by water on three sides.

40. tombolo: e) a sandy or gravelly isthmus that connects an island to the mainland or to another island.

These explanations provide a brief understanding of each term's general characteristics related to coastal geography.

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List the major constituents dissolved in seawater in decreasing concentration

Answers

The following are the major constituents dissolved in seawater in decreasing concentration: 1. Chloride ions. Sodium ions. 3. Magnesium ions. 4. Sulfate ions. 5. Calcium ions.

The following are the major constituents dissolved in seawater in decreasing concentration:

1. Chloride ions are abundant in seawater, with a concentration of around 19.3 grams per kilogram of seawater.

2. Sodium ions have a concentration of roughly 10.6 grams per kilogram of seawater.

3. Magnesium ions have a concentration of roughly 1.3 grams per kilogram of seawater.

4. Sulfate ions have a concentration of roughly 2.7 grams per kilogram of seawater.

5. Calcium ions have a concentration of roughly 0.4 grams per kilogram of seawater.

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