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dnt try the answer C. because its not... the answer is B. they have short lifetimes

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Will Earth lose its magnetic field in the future?

There is no definitive answer to whether Earth will lose its magnetic field in the future. Scientists believe that the magnetic field has weakened and shifted in the past, but it is uncertain if it will disappear completely.


When is the earth going to end and how?

The exact time of the Earth's end is uncertain. However, scientists predict that in about 5 billion years, the Sun will exhaust its fuel and expand into a red giant, likely engulfing and destroying the Earth. This process will mark the end of the planet's habitable conditions for life.


What are long range earthquake forecasts based upon?

Long-range earthquake forecasts are based on historical seismic data, geological observations, and models that analyze patterns and probabilities of seismic activity in specific regions. Scientists use these tools to assess the likelihood of earthquake occurrence over longer time frames, but note that such forecasts are inherently uncertain due to the complexity of tectonic processes.


What are the example of inner transition element?

The inner transitional metals contain 2 main groups, the lanthanide series, and the actinide series (f block elements). The lanthanide series include the 14 elements that proceed lanthanum (atomic number 57) from atomic numbers 58 to 71. Their electron configuration include the 4f and 5d energy levels. Because of the closeness of those two levels, there is considerable uncertainty in some electron configuration assignments. The actinide series include the 14 elements that proceed actinium (atomic number 89) from atomic numbers 90 to 103. The electron configurations of the actinides are even more uncertain than the lanthanides because the closeness of the energy levels and because the nuclei are unstable to radioactive decay. Only minute amounts of some elements are obtained because of their instability. All of the actinides are unstable with respect to alpha emission. The later members tend to undergo spontaneous fission, a fact which limits the number of elements possible.


When will the next ice age happen?

There is no definitive answer as to when the next ice age will occur. Climate scientists suggest it may be delayed or prevented entirely due to human-induced global warming. However, natural climate cycles could potentially trigger an ice age in the distant future, but predicting its exact timing is uncertain.