Salutations!
What is the 1000 year period after the fall of Rome called?
The 1000 year period after the fall of Rome is called Middle Ages. This is a period where the Odovacor, German prince had sway the power of the Roman army of Italy.
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Answer:
The current amount of the Potassium-40 sample is approximately 37.521 grams.
Explanation:
The amount of the sample of the radioactive isotope decays exponentially in time, the amount of mass of the sample as a function of time (
), in grams, is described below:
(1)
Where:
- Initial mass, in grams.
- Time, in years.
- Time constant, in years.
The time constant can be found from half life (
), in years, described in statement:
(2)
If we know that 
, 
and 
, then the current amount of the sample is:
The current amount of the Potassium-40 sample is approximately 37.521 grams.
The development of agriculture was set in motion by hitching animals to the plow. The correct option among all the options that are given in the question is the second option. At the beginning, people did not use animals for agricultural purpose, but with passing of time the utility of the animals for agriculture was understood and it made cultivation easy.
Answer:
Exposure latitude is the extent to which a light-sensitive material can be overexposed or underexposed and still achieve an acceptable result. This measure is used for digital and analogue processes, e.g. optical micro lithography or photography.
Explanation:
