Geography
The earth's crust is only one percent of earth's mass yet it is a large reservoir of resources for mankind. Justify this statement with examples.
Answer
Despite being only one percent of the Earth's mass, the Earth's crust contains a wealth of resources that are essential to human civilization, including:
- Mineral resources such as iron, copper, gold, and silver which are used in a variety of applications ranging from electronics to construction.
- Fossil fuels like coal, oil, and natural gas which are used to generate electricity, heat homes, and fuel transportation.
- Freshwater resources that are essential for human survival.
- Geothermal energy which is used to generate electricity and heat buildings.
Related Questions
Which layer is responsible for earth's magnetic field? Why?
Give a geographical reason for each of the following:
(i) Nife is so called.
(ii) The core of the earth is the most inaccessible part of the earth.
(iii) The earth's crust undergoes many changes.
Draw a well labelled diagram to show the interior of the earth.
What would happen if the earth's core no longer remain hot and the magma cools and hardens inside the earth? Give reasons to support your answer.