It is not known exactly how many ice ages Earth has experienced, but a reasonable estimate would be at least 20 known events and probably many more.
You can find much of this history right here in Earth; for example, looking at geological records.
There are three main geological eras in Earth's history: Paleozoic, Mesozoic, and Cenozoic. These eras are further divided into periods and epochs to more accurately represent the stages of Earth's history.
nothing scientists made it up to stop global warming
same as earth's
The Proterozoic Eon spans the largest percentage of Earth's history, accounting for about 42% of Earth's history. It lasted from around 2.5 billion years ago to 541 million years ago.
There were no earth quake's in NY in the year 2009. Although there is a history of earth quake's in different year's there. See the related link to the history of Earth Quakes in New York.
simple answer 6
The history of the Earth and the history of life on Earth.
Earth history is primarily divided into eras.
Earth's history is divided into eras.
Photosynthesis evolved multiple times in the history of life on Earth. It is believed to have evolved at least two separate times, leading to different types of photosynthetic organisms.
from about 4.6 billion to 543 millions years ago
What is a word that starts with the letter y that has to do with earth history?
Without the big bang there wouldn't be an Earth to have a history.
Astronomy This is the study of the earth and physical structure and history
Many meteors have hit the earth over the ages. One of the largest in human history is thought to have been in Tunguska, Siberia in 1908
Geologic time covers the period from the formation of the Earth to the present, a period of roughly 4.6 billion years.