All types of rocks can undergo melting to produce magma that will eventually crystallize to form new igneous rocks.
- Rocks are formed on Earth as igneous, sedimentary, or metamorphic rocks. Igneous rocks form when rocks are heated to the melting point which forms magma.
- The minerals that make up igneous rocks crystallize at a range of different temperatures.
- These Igneous rocks are usually formed deep inside the earth's crust
- Granite and pumice are examples of igneous rocks
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The difference in elevation in meters between the points X and Y is 360.
Explanation:
On the presented map we can see that the relief is depicted with contour lines. The contour lines are marked with their elevations, or rather the main contour lines are, every fifth one. We also have the contour interval, which is 20 meters, thus giving us the basis so that we can find the difference in elevation between any points on the map.
What we know for sure from the map is:
- the elevation is increasing from southeast toward northwest
- the difference in elevation between the contour lines is 20 m
- the difference in elevation between the main contour lines is 100 m
Point X is marked on the contour line of 1,600 m. Point Y is marked on the second contour line between the 1,200 m and 1,300 m contour lines, thus:
2 x 20 = 40
So we have 1,240 m. Having the elevations of the two points, we only need to take the lower value from the larger value:
1,600 - 1,240 = 360 m
So we get a result of 360 m of difference in elevation between the points X and Y.
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Answer:
Plate tectonics is a scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century.
A is correct
Answer:
surface thermocline deep sea!
Explanation:
:)
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