Answer:
In mineralogy and crystallography, a crystal structure is a unique arrangement of atoms in a crystal. A crystal structure is composed of a unit cell, a set of atoms arranged in a particular way; which is periodically repeated in three dimensions on a lattice.
Explanation:
Answer:
A. True
Explanation:
Oceanic crust, while older than plateaus of rocks found far away from volcanic activity, it is much thinner, denser, younger, and of different chemical composition than continental crust. Continental crust is typically 30-50 km thick, whilst oceanic crust is only 5-10 km thick. On the other hand, plateaus of rocks are formed from volcanic activities and are of more recent occurrence than oceanic crust.
Answer:
Latitudes
Explanation:
The distance traveling in the northern and the southern hemisphere from the equator is measured in terms of latitudes. It is expressed in degrees. These are the geographical coordinates that specify a particular location on earth. It ranges from 0° to 90°, where the 0° line is the equator that divides the earth into two halves. And the 90° latitude area in the polar region of both the hemisphere. The earth is bulging at the equatorial region and flattened at the poles.
The latitude plays an important role in the identification of any place on earth.
Thus, the north and south of the equator are measured in the degrees of latitudes.
<span>When the water level of a stream or river exceedes its natural bank, it has reached its, </span>flood stage
Volcanoes can be two broad types: stratovolcano and a shield volcano namely.
In volcanology, viscosity plays a crucial role. High viscous (extremely sticky) magma eruptions typically result in steep-sided volcanoes with 30-35° slopes. This is due to the fact that the viscous volcanic material doesn't flow very far once it is erupted; instead, it accumulates in layers to form a cone-shaped volcano called a stratovolcano. In contrast, shield volcanoes have mild slopes of less than 10° and produce more basalt fluid lavas during eruption. A shield volcano's eruption can cause the basalt to flow far from the vent, creating broad, gentle slopes.
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