Explanation:
A fault is a product of brittle deformation in which a displacement occurs within the earth.
A normal and reverse fault both have an hanging wall and a foot wall.
- In a normal fault, the footwall moves upward and the hanging wall moves downward thereby causing extension.
- In a reverse fault, the footwall moves downward and the hanging wall moves upward thereby causing shortening.
- The footwall is the block on a side of the fault surface where a miner can stand whereas the hanging wall is the block on the other side.
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Answer:
Option (C)
Explanation:
The sea floor refers to the oceanic crust that are comprised of basaltic rocks. The basaltic rocks contains olivine, feldspar and some pyroxenes that are usually denser than the minerals that are found in the continental crust.
On the other hand, continental crust refers to the rocks that are found in the continental landmasses, often comprised of rocks that are granitic in nature. The minerals such as silicates, feldspars are less dense.
When continental plate are subducted under the oceanic crust, the rocks at greater depths undergoes partial melting as a result of which the rocks melts and forms magma. These magma becomes less dense due to the high temperature and rises up towards the the surface in the over-riding plate.
Thus, as the plate subducts, the rock chemistry changes , thereby making it less dense.
Hence, the correct answer is option (C).
is it A. urbanization / population
Imspiderman
D. “Land surfaces warm much more quickly than water” -Education.com
Answer:
<u>June solstice marks the beginning of summer in southern hemisphere, due the earth rotational motion and reverse properties of the both hemispheres.</u>
Explanation:
- The summer solstice is associated with the midsummer, occurs when the earth poles are the maximum inclination to the sun. A within the antarctic hemisphere there is continuous daylight as the maximum axial tilt is around 23.44 degrees.
- Depending on the shift of the calendar days the summer solstice occurs around Dec 20 and 23rd of the year. This is due to the earth moves in an elliptical motion.
- In the southern hemisphere, the sun moves from East to West. It contains about 60.7% of the water on the earth