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What 2 features of a rock help us determine how the rock was formed?

Mineral composition and texture are two key features that can help determine how a rock was formed. The types of minerals present in a rock and how they are arranged provide clues about the conditions under which the rock formed, such as pressure and temperature. The texture of a rock (e.g. grain size, shape, and arrangement) can also indicate its formation process, like whether it cooled slowly deep within the Earth or quickly at the surface.


Is mount st Helen's caldera vent or craters?

Mount St. Helens features a caldera, which was formed during the catastrophic eruption in 1980. The caldera is a large depression resulting from the collapse of the volcano after the explosive eruption, and it is distinct from craters, which are typically smaller openings formed by volcanic activity. Within the caldera, there are also smaller craters and vents that have formed due to subsequent volcanic activity.


What is known as all the human and physical features that make a place unique?

In geography, there are two types of features, natural features and human features. Human features are anything that is built by humans (not something formed naturally). Housing areas and parks are examples of human features.


Can a boundary be formed by land or water?

Yes, boundaries can be formed by both land and water. Land boundaries are typically defined by physical features such as mountains, rivers, or roads. Water boundaries can be natural features like rivers or lakes, or man-made features like canals or artificial islands.


What five features are formed by magma?

igneous rocks, lava, crystallization, granite, deformation.