Explanation:
For the specified objectives, demographic training is important in the education system: it is mindful of the cultural and ecological factors and effects of population density. It conveys awareness and alters people's thoughts and actions towards the community.
Acid rain hastens the physical deterioration of rocks.
<h3>What is the physical weathering of rocks?</h3>
Rocks, minerals, and soils disintegrate through a process known as physical weathering, sometimes known as mechanical weathering. Abrasion is the main physical weathering process (the process of reducing the size of clasts and other particles).
Weathering physically comes in three different forms.
- Abrasion weathering: In this process, water and wind-borne pressures break down large rocks into tiny fragments.
- Exfoliation weathering causes rocks to crack and expand as pressure from unloading is released.
- During a frost wedge, rocks crack as a result of water freezing and expanding.
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Isostatic rebound occurs when a load is imposed on or removed from the lithosphere. The surface tends to rise or sink as the lithosphere rises or sinks in the asthenosphere. Loads may consist of large lakes, oceans (on continental shelves during eustatic sea level rise), ice, sediment, thrust sheets, and volcanoes.
Deposition is the geological process in which sediments, soil and rocks are added to a landform or land mass. Wind, ice, water, and gravity transport previously weathered surface material, which, at the loss of enough kinetic energy in the fluid, is deposited, building up layers of sediment.
Answer: Most tsunamis are caused by large earthquakes below or near the ocean floor, but tsunamis can also be caused by landslides, volcanic activity, certain types of weather and near earth objects (e.g., asteroids, comets). Not all earthquakes cause tsunamis.
Explanation:
Measuring in light-years also allows astronomers to determine how far back in time they are viewing , Because light takes time to travel to our eyes. Everything we view during the dark in night has already been happened.
