Answer:
Rocks are identified primarily by the minerals they contain and by their texture. Each type of rock has a distinctive set of minerals. A rock may be made of grains of all one mineral type, such as quartzite. Much more commonly, rocks are made of a mixture of different minerals.
Explanation:
Answer and Explanation:
"Blocked opportunity" is the term that defines the state when a particular person is not able to achieve the desired goal due to the society or any other factor. The opportunity that the person is waiting for or had high hopes with goes away from the hand , this situation leaves the person in the state of sadness or depression.
This state also leads to stain the person and his thoughts. The situation of strain and delinquency sometime lead to criminal tendencies as well according to many theories. Crime causing act is performed towards the society because the person starts to blame society element behind the failure of not achieving the goal and unsuccessful.
Yes it is a reliable source
Explanation: it shows the earth all in one. Makes it easier to study
Advantage-extra work\data to compare first data with.
Disadvantage-Your data might change over time.
The landforms in the interior of the continents and at their margins mostly differ because of the difference in geological activity.
Explanation:
The landforms that are found in the interior of the continents tend to be old. They also are mostly consisted of sedimentary and metamorphic rocks. In general the erosion is much more evident and dominant, thus the landforms also are with lower elevations when compared with the ones on the edges. This is due to the lack of geological activity as the interiors of the continents tend to be far away from the plate boundaries.
The landforms on the edges of the continents tend to be younger in general. The reason for that are the subduction zones and intense geological activity. The intense geological activity is due to the close proximity of the plate boundaries. The landforms tend to be higher in general, and volcanic arcs are also a common sight.
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