Answer: water
For food digestion for humans we don’t use the sun, or warm temperatures, or transpiration.
We use water to help with digestions
Answer: water
They young populations are challenging and expensive for a country to care for because they require more healthcare, immunization, and checks-up , Especially for children. Not only that, they also still haven't be able to contribute to the country's economic growth
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:
prevailing westerlies
Explanation:
Because winds are named from the direction in which they originate, these winds are called prevailing westerlies. Prevailing westerlies in the Northern Hemisphere are responsible for many of the weather movements across the United States and Canada.
Mountainous and Meadow Regions is not one of Guyana's natural regions.
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