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scientists use an atom of helium and look at the # of rotations of the electrons around the nucleus. and they determine the second from that

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Q: What natural phenomena are the basis for time measurements?
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What is a fundamental measurement?

A fundamental measurement is a basic, universally accepted unit of measurement that serves as a building block for other measurements. These measurements are typically defined in terms of natural phenomena or constants and are used as reference points for comparing other measurements. Examples include the meter for length, the kilogram for mass, and the second for time.


Why do scientists take measurements?

Scientists take measurements to quantify and understand the observable world. By measuring various properties such as mass, temperature, and time, scientists can gather data to support or refute hypotheses, make predictions, and draw conclusions about natural phenomena. Measurements are crucial for the advancement of knowledge and the development of scientific theories.


What is longer a mile or an hour?

Neither. These are measurements of two different concepts (distance and time), and do not have any basis for comparison.


Why is geography unique?

Because geography is a subject that deals with the natural and human phenomena and changes over time and also bridges the natural and social science


What natural phenomena occurred around the time of the Battle of Hastings in 1066?

hailie's comet appeared in the night sky


What types of natural phenomena could serve as time standards?

Natural phenomena such as the daily rotation of Earth (24-hour day), the annual orbit of Earth around the sun (365-day year), or the regular pulsations of pulsars (known as pulsar clocks) could serve as time standards. These phenomena provide consistent and predictable intervals that can be used to track the passage of time.


Why did the nuclear arms race develop in the twentieth century?

Because that was the century in which the natural phenomena required were discovered and the political climate of the time.


Which myths are fake?

Myths are commonly not considered "fake" as they are traditional stories that may not have a basis in reality. They often serve to explain natural phenomena or convey moral lessons. However, some myths may be based on false information or misinterpreted over time.


How the manner in which people observe natural phenomena has changed over time?

Through the years,observation of man on the different natural phenomena has greatly changed and developed because of the advanced technology we have now.Compared to earlier times,access to instruments for observation has become easier today due to the inventions of different people.


How do scientist investigate natural phenomena?

Scientists investigate natural phenomena by making observations, forming hypotheses, conducting experiments, collecting data, and analyzing results. They use the scientific method to systematically test their ideas and gather evidence to support their conclusions. Through this process, scientists can better understand, explain, and predict the natural world around us.


A theory that stands the test of time and becomes the basis for a field of study?

The theory of evolution by natural selection, proposed by Charles Darwin, has stood the test of time and has become the basis for the field of evolutionary biology. This theory explains how species evolve and adapt to their environments over time through genetic variations and natural selection, shaping the diversity of life on Earth.


Does blizzard have stock?

A blizzard, when not capitalized in a sentence is a common noun and refers to a severe snow storm, it is a natural phenomena. To the best of our knowledge no blizzard owns any stock, either live or otherwise. The problem being is that natural phenomena have a very hard time showing fiscal solvency and would find it extremely difficult to buy stock of any kind.