The answer is B. Trees, because trees are one of the first essentials to regrowing an environment
Answer: The term "Flat Earth" means that the Earth is not spherical. This term is usually the more vague answer above, but it can also mean Earth is just a circle
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Bolivia on the north-west and north, Brazil on the east, and Argentina on the south and south-west.
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No. Canada is a part of North America. Therefore, that question is no. Something that is a part of something bigger, cannot be bigger than the thing itself.
I hope this helps you! Thank you for the points.
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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.