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What formations occur in caves?
Formations that occur in caves include stalactites (hanging formations), stalagmites (rising formations), flowstones (sheet-like deposits), columns (stalactites and stalagmites joining), and helictites (twisted, branching formations). These formations are created by the slow deposition of minerals from dripping water over thousands of years.
What evidence did Darwin observe that led him to believe that Earth was older than 6000 years?
Darwin found fossils that were similar but not the same as living species.Living species might have some relationship to the fossil form. In order for such changes to occur, Darwin figured that earth must be much older than 6000 years.
What types of rocks are at the garden of gods?
Sedimentary rocks make up most of the formations of rocks found at the garden of the gods. Formations of deep red, pinks, and white sandstone, conglomerate, and limestone give garden of the gods it's magical appearance.
What do Proterozoic-aged red beds and banded iron formations tell us about the Earth's early atmosphere?
Banded iron formations indicate that there were oxygen-rich and oxygen-poor episodes during Earth's early atmosphere. Banded iron formations first appear in the Archean, 3 billion years ago. Unbanded iron deposits (red beds) from the Proterozoic, 1.8 billion years ago, indicate that the atmosphere became oxygen rich and that oxygen-poor episodes were no longer prevalent.
Rocks in continental crust are as old as years?
Rocks in continental crust can be as old as 4 billion years. This is because continental crust is much older than oceanic crust due to its formation through various geological processes over long periods of time. The oldest rocks found on Earth are typically located in the continental crust.
What is the half life of the Radioisotope Na22?
The half-life of the radioisotope Na-22 is 2.6 years.
What is the half life of the Radioisotope Am241?
It is 432 years.
What is the half life of the Radioisotope Am243?
It is 7,380 years.
What is the half life of the Radioisotope Cd113?
It is 14.6 years.
What is the half life of the Radioisotope Cl36?
It is 300,000 years.
What is the half life of the Radioisotope Co80?
It is 5.27 years.
What is the half life of the Radioisotope Cm244?
It is 18.11 years.
What is the half life of the Radioisotope Np237?
It is 2.37 million years.
What is the half life of the Radioisotope Fe55?
The half-life of the radioisotope Fe55 is approximately 2.7 years. This means that after 2.7 years, half of the original amount of Fe55 will have decayed into other elements.
What is the half life of the Radioisotope H3?
The half-life of the radioisotope tritium (H-3) is about 12.32 years. This means that it takes approximately 12.32 years for half of a sample of tritium to decay into helium-3.
What is the half life of the most stable radioisotope of silver?
The isomer Ag-108m has a half life of 418(21) years.
How many years is 50000 hours?
5.704 years (rounded)
