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 correct answer is - The Spanish established their language when they colonized the territories.
During the period of the great discoveries the Spanish managed to occupy most of what is now South America. They implemented their language, culture, and laws, very often with using force and violence because lots of the native people were not willing to give up on their own culture, language, and way of life. The Spanish managed to prevail, and ruled for long enough that the Spanish language becomes the dominant language in nine South American countries.
Answer: I would think it would be Scandinavian, Iberian, Balkan and (Italian aka Apennine Peninsula)
Explanation:
https://www.mapsofworld.com/answers/geography/largest-peninsulas-world/
Answer:
Geography affects History.
Geography is the setting of History story's.
Geography influence History.
Explanation:
GEOGRAPHY is the study of the physical features of the earth and its atmosphere, and the interaction between human beings and physical environment. While HISTORY is the record of human activities in the old times comprising civilizational marches in different periods spent in the lap of time.
History is mostly shaped and enriched by prevalent geographical settings.
The climate aspect of geography also largely influences the history and its characteristics. Geographical features like mountains and plains have had equally profound impact on human history. Mountains invariably influence the history of many countries.