Answer:
South Africa and Mountains
Explanation:
Due to the problem of being landlocked in south Africa and being made up of mostly mountains, it would be very hard to map the Kingdom of Lesotho
Gold (getting/finding money)
God (get away from religious persecution)
Glory (become powerful)
The Answer is 3. Cattle ranching
The best answer for this question would be:
2. Cosmic Background Radiation
The Cosmic Background Radiation are when the heat of a planet is measured by the left over heat of it. This is based on the “Big bang Theory” wherein the planets were formed because it was once a very hot radiation.
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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.
