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Gemiola [76]
3 years ago
14

The division of the geologic time scale that represents the longest time span is called a(n) ________.

Geography
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

An eon

Explanation:

The first broad division of the geologic timescale is the eon. Others are Eras, Periods and Epoch.

Eons are the most broad and the largest of divisions of the timescale. There are two categories of the eons which are:

  • Hadean eon
  • Archean eon
  • Proterozoic eon
  • Phanerozoic eon

The Phanerozoic eon is the most recent. The Hadean eon is the is the oldest eon.

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What was the name of the narrow eastern coastal plain that slopes gently upward to the time worn ridges of the appalachians?
ser-zykov [4K]

A narrow eastern coastal plain traversed by many river valleys and gently sloping to the ridges of the ancient Appalachian Mountains. Route of America.

The Appalachian Mountains are a range of mountains that run along the eastern coast of North America, from Newfoundland and Labrador in Canada in the north to Alabama in the United States in the south.

The area is rich in natural resources, but the population is often poor. In addition, declining education levels and lack of public infrastructure (highways, developed cities, businesses, medical services, etc.) are deteriorating the economic situation in the region. especially in remote mountainous areas. They have pitted men against each other in sprawling clans for decades, often using murder and arson as weapons, along with ambushes, gunfights, and prearranged firefights.

Learn more about Appalachians at

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3 0
1 year ago
Tsunamis are____.
Black_prince [1.1K]

Answer:

Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.

Explanation:

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5 0
3 years ago
Read 2 more answers
Mountain range that runs from russia to kazakhstan.
Evgesh-ka [11]

Answer:

Ural Mountains

Explanation:

The Ural Mountains are a mountain range that runs 2500km from Russia to Kazakhstan

4 0
2 years ago
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Two students make a model of a tree house they want to build. The scale is 1:42. In the scale model,the door is 3 cm tall. How t
Lady bird [3.3K]

Answer: The real tree house door should be 126 cm tall.

Explanation:

Given: Two students make a model of a tree house they want to build. The scale is 1:42.

i.e. 1 cm of model = 42 cm in real

if the in the scale model,the door is 3 cm tall, then the height of real tree house door  = 3  x (42) cm

⇒ Height of real tree house door=  126 cm

Hence, the real tree house door should be 126 cm tall.

3 0
3 years ago
Use evidence from the section titled I'm Very Young to explain the difference in age between rock samples found on the Atlantic
White raven [17]

Answer:

The rocks at the bottom of the ocean are younger than the rocks on the continent. This can be pessible due to the process called Continental Drift.

Explanation:

For a long time the human being wondered what would be the age relationship between the rocks at the bottom of the ocean and the rocks of the continent. Which rocks were younger or older? The scientific advance that humanity achieved during the second world war allowed this question to be answered, as it was during this period that "sonar" was created, a device that is able to reveal the ocean floor

From the creation of this device, and other equipment, scientists were able to study the underwater mountains known as oceanic dorsals. During these studies, scientists were able to create methods of donating rocks and were able to conclude that the closer to the oceanic mountains the rocks were, the younger they were. On the other hand, the closer to the continent, the rocks were, the older they were. They will conclude that this must have been influenced by the phenomenon called continental drift, which refers to the movement of the masses of the planet over a period of time.

3 0
3 years ago
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