The first blank is commodity production and the second blank is education.
<em>hope this helps. :)</em>
The different standard times are known as time zones. Time zones are useful because they can allow people to be active during the day and sleep during the night. If people spent hours with sunlight sleeping and worked in the dark, they would likely suffer health problems.
Big countries such as Australia and the United States have many time zones so that people can work and sleep in the time that is adjusted to the hours with sunlight in their specific location.
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The correct answer for the given question above would be option B. The essential aspect of geography that you would learn about the creation of mountains would be physical systems. The physical systems of geography is also known as physical geography. Physical geography is the scientific study of the natural features of the Earth's surface.
