Minerals are naturally occurring inorganic solids that have a crystalline structure and definite chemical composition. Soil is a mixture of decomposed organic matter and broken down rocks and minerals. Soil also contains important pore spaces that allow water and air to circulate.
The population decays by a factor of (1/2 )^1/4 every hour.
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Exponential Function</h3>
An exponential function is in the form:
y = abˣ
Where a is the initial value of y, b is the multiplier, y and x are variables.
Let y represent the bacteria population after x hours.
A bacteria population decreases by a factor of 1/2 every 4 hours.

The population decays by a factor of (1/2 )^1/4 every hour.
Find out more on Exponential Function at: brainly.com/question/12940982
Answer:
The correct answer is - It develops tourism policy for the United States by providing statistics and coordinating efforts.
Explanation:
The National Travel and Tourism Office is the office that helps in developing a positive atmosphere for growth in travel and tourism.
This is possible due to the fact that, by reducing institutional barriers to tourism, provides official travel and tourism statistics, administers joint marketing actions, and coordinates efforts across federal agencies through the Tourism Policy.
HI is most noticeable during the summer and winter. The main cause of the urban heat island effect is from the modification of land surfaces. Waste heat generated by energy usage is a secondary contributor. As a population center grows, it tends to expand its area and increase its average temperature.
Answer:
Because there weren't enough big brains out there to cover all of the major things and that there we're major time periods of things.
Explanation: