Answer:
c. pyroclasts
Explanation:
An explosive eruption happens when a lot of gas gets trapped in the magma, this, combined with the high viscosity of the magma, produces a pressure build and eventual explosive eruption of magma of the volcano. During this kind of volcanic eruptions, the expelled material can immediately begin moving down the sides of the volcano forming a pyroclastic flow, <em>the resulting fragments of magma in this kind of eruptions are called tephra </em><em>(or pyroclasts) </em><em>and consist in small and large pieces of rock that are hardened, solidified, or compressed version of an originally loose pyroclastic deposit.</em>
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Answer: What is a convergent plate boundary?
Explanation:
A convergent boundary is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other causing a process known as subduction. The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone.
Answer:
There are lots of data sources available for map makers online. These data sources provides information on satellite imagery, topographical surveys, aerial photography, populations,natural features, etc. The information they provide is vital for the accuracy of a map. Some of these sources are;
- <u><em>Natural Earth</em></u>: A public free domain that provides cultural, physical and basemap data.
- <u><em>USGS Earth Explorer</em></u>: This data source provides an abundance of satellite and aerial imagery worldwide.
- <u><em>Open Topology</em></u>: Gives access to a high spatial resolution topographic data and tools like LiDAR (Light Detection and Ranging) Data.
- <u><em>UNEP Environmental Data Explorer</em></u>: This is a United Nations based data source. It provides useful data on population, forests, emissions, disasters and GDP of people and places.
- <u><em>Global Map Github</em></u>: provides useful data on boundaries, drainage, transportation, population centers, elevation, land cover, land use and vegetation of places on earth.
<span>After the rule of Ramses II, Egypt’s government collapsed. Rival leaders in different cities were so busy fighting one another that they forgot about maintaining Egypt’s control of Kush. This was a costly oversight. Left on its own, Kush became an independent kingdom ruled by Nubian kings.</span>
