Answer:
erosion is caused by wind water and gravity
Explanation:
it's rocks or concrete breaking down very slowly it takes years
The guiana highlands cover part of all the following except: d.agrentina
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.
Answer: some scholars have argued that images stemming from this era of constant violence and banditry have survived to the present day in the form of metaphysical fears and beliefs concerning witchcraft. In many cultures of West and Central Africa,
credit to :met museum
Explanation:
Answer: 120 - 240 kilometers per hour
Explanation:
Jet streams are narrow, fast flowing, air currents that are in the atmospheres of certain planets, which includes the Earth. Jet streams are air currents that are placed very high above the Earth and form where there are big differences in temperature in the atmosphere.
The jet stream has winds that blow up to 120 - 240 kilometers per hour which can greatly influence the impact of weather patterns over a continent.
