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Ice Ages

Caused by long periods of reduced atmospheric and surface temperature, widespread continental glaciation and cooling are called Ice Ages or Glacial Ages. Questions about the most recent and current geologic period, the Quaternary, and other ice ages are what this category is all about.

1,161 Questions

When the Ice Age ended the land once covered by ice was mostly?

When the Ice Age ended, the land once covered by ice was mostly left exposed, allowing for new vegetation to grow and species to thrive. This transformation created diverse habitats that led to the development of various ecosystems and biodiversity.

What is is the medieval warm period and the little ice age?

The Medieval Warm Period was between 950 and 1250 when Europe and some other areas experienced a warmer climate. This was the time the Vikings started their colony in Greenland for farming. Shortly after this period, a gradually cooler climate set in, which we call the Little Ice Age, only ending in the latter part of the 19th century. The Vikings in Greenland having left in the 15th century because of failing crops and poor pasture for animals.

What shaped north America?

North America was shaped by geological processes like tectonic plate movements, volcanic activity, and erosion. The continent's diverse landscapes, including mountains, valleys, and plains, were formed over millions of years by these natural forces. Human intervention has also played a significant role in shaping North America through activities like urbanization, industrialization, and agriculture.

How did the ice age form?

The ice age was caused by changes in the Earth's orbit and tilt, leading to cooler temperatures and the growth of ice sheets. These changes occurred over millions of years and resulted in multiple periods of glaciation and interglacial periods. The most recent ice age ended around 11,700 years ago.

What are current theories about the cause of ice ages?

Current theories suggest that ice ages are caused by changes in Earth's orbit and tilt which affect the distribution of sunlight on the planet. These variations in the Earth's orbit and tilt lead to fluctuations in the amount of solar radiation reaching different parts of the globe, triggering the growth and retreat of ice sheets. Additionally, factors such as volcanic eruptions and changes in greenhouse gas concentrations can also influence the climate and contribute to the onset of ice ages.

The period of time in which a long term reduction of temperature in the earth's surface occured?

The period of time in which a long-term reduction of temperature in the Earth's surface occurred is known as an ice age. Ice ages are characterized by the expansion of ice sheets and glaciers, leading to lower global temperatures and altered climate patterns. These periods have occurred multiple times in Earth's history, with the most recent ice age ending around 11,700 years ago.

How long does ice last in an ice chest?

You can surround the ice with another cold substance such as an ice cooler or more ice. Ice will melt slower if it is surrounded with more ice. Also you can keep it in a constantly cold place such as a freezer or deep freezer. As long as it is always surrounded by a constant 32 degrees or lower it will not melt. Hope that helps.(:

What role might the sheets of ice have played in the creation of the Beringia land bridge?

most areas that were covered with thick continental ice sheets are still rising in elevation, due to what's called ''rebound''. so therefore the sheets of ice formed together to create a bridge for north America and Asia. the ice is now melted and has become ocean water that once again separates the two lands.

Do fossils form in ice?

Yes, fossils can form in ice. This process is known as cryogenic fossilization, where the remains of organisms are preserved in ice over long periods of time. This type of preservation provides scientists with valuable insights into ancient ecosystems and species that lived in cold environments.

What was the dominant animal of the cretaceous period?

Early Paleozoic is pretty long time, so you have to be more specific about that. Probably one of the most dominant creatures that ever evolved was Anomalocaris (from Cambrian period). Most of the animals from that time couple of inches long, while Anomalocaris was 2 meters long. Also giant scorpions, like world famous Jaekelopterus rhenaniae were also top predators of it's days.

Is the global warming a normal process between ice ages?

Global warming is not a normal process between ice ages. While Earth does go through cycles of warming and cooling, the current rapid warming is primarily driven by human activities, such as burning fossil fuels and deforestation, which have significantly increased the amount of greenhouse gases in the atmosphere. This current warming is happening much faster than natural climate cycles would typically allow.

What is sabretooths name on ice age?

In the Ice Age movies, Sabretooth's name is Diego. He is a sabre-toothed tiger and is one of the main characters in the film series.

The first epic of the Quaternary Period?

The first epic of the Quaternary Period is "The Epic of Gilgamesh," an ancient Mesopotamian poem that dates back to around 2100 BCE. It is considered one of the earliest works of literature and explores themes of friendship, mortality, and the search for meaning.

Which is faster the advance or the retreat of an ice sheet?

Glaciers are advancing and retreating all the time. During the summer most will be retreating, during the winter most will be advancing. Therefore the world is not in a 'glacial advance or retreat' because each glacier is independent.

What is fossilized poop called?

Fossilized poop is called coprolite. It is formed when feces undergoes a process of mineralization and becomes preserved in rock. Coprolites can provide valuable insights into the diet and digestive processes of ancient animals.

What type of wind erosion leaves pebbles and boulders behind?

Saltation erosion leaves pebbles and boulders behind. This type of erosion occurs when the wind picks up sediment particles and hurls them against larger rocks, causing abrasion and erosion.

After the last ice age stranded ice blocks left behind by the continental glacier melted and formed what?

As the ice blocks left behind by the continental glacier melted after the last ice age, they formed bodies of water known as kettle lakes. These kettle lakes are depressions in the landscape caused by the melting of the ice blocks, which were then filled with water from the melted ice.

As ice sheets that covered North America thinned and melted following the end of the last ice age would the elevation of the land surface below the ice increase in elevation decrease or stay the same?

The elevation of the land surface below the ice would increase as the weight of the ice decreased. This process is known as isostatic rebound, where the land slowly rises as the weight of the ice is removed, similar to a sponge bouncing back after being compressed.

What is a glacier horn?

Glaciers grind into mountains by eroding the cirques at their heads. If a mountain has cirques all around it, the glaciers may carve it into a tall, faceted remnant called a horn. This example in the Juneau Icefield of southeastern Alaska displays two cirques, and there must be one or two more on the back side. On the left side is an arête.

Can you see through ice?

Ice is transparent, so that means you can see through it.

Are we still going through an ice age?

Yes, we are currently in an ice age known as the Quaternary Ice Age, which began around 2.6 million years ago. Within this ice age, we are in an interglacial period, which is a warmer phase between glaciations.

When did the ice start to melt in the last ice age?

ANSWER: It was about 15 thousand yeas ago, but tough to nail down. There was little ice left by 10,000 ago when the last people were able to cross the Bering Strait from Russia to Alaska. Ice ages forced intelligence to develop more, in that the dumb ones died and the smart ones (that could adapt), lived and propagated. We are still coming out of an ice age, which is why it is slightly warming, but sooner than later it will cool again and wipe out most life unless you are by the equator. ----

When did ice sailing begin?

Ice sailing has been around for centuries, with early records dating back to the 17th century in the Netherlands. It became popular in Europe during the 19th century and has since spread to other regions with suitable icy conditions for sailing on frozen lakes or rivers.

When did the last ice age happen or take place?

well im trying to find out for my wonderment in class but i think it happened between 130,000 thousand years ago... ill keep looking though :]

The first known ice age was about 2.4 billion years ago, that's 2,400,000,000 years ago.