Posted on April 16, 2022 (Updated on July 9, 2025)
Why are upwellings important to ocean ecosystems?
Regional SpecificsUpwelling brings those lost/sunk nutrients back to the surface, which creates “blooms” of algae and zooplankton, which feed on those nutrients. These blooms then become feeding grounds for plankton feeders, then fish, etc, sustaining ocean life that lives near the surface. What do upwellings bring to the surface of the ocean? Upwelling occurs when surface
Posted on April 16, 2022 (Updated on July 9, 2025)
What landforms do continental glaciers create?
Regional SpecificsGlacier Landforms U-Shaped Valleys, Fjords, and Hanging Valleys. Glaciers carve a set of distinctive, steep-walled, flat-bottomed valleys. … Cirques. … Nunataks, Arêtes, and Horns. … Lateral and Medial Moraines. … Terminal and Recessional Moraines. … Glacial Till and Glacial Flour. … Glacial Erratics. … Glacial Striations. What do continental glaciers create? The formation of continental
Posted on April 16, 2022 (Updated on July 9, 2025)
How are metamorphic rocks formed give two examples?
Regional SpecificsAnswer: They may be formed simply by being deep beneath the Earth’s surface, subjected to high temperatures and the great pressure of the rock layers above it. … Some examples of metamorphic rocks are gneiss, slate, marble, schist, and quartzite. What are metamorphic give two examples? Examples of metamorphic rocks include anthracite, quartzite, marble, slate,
Posted on April 16, 2022 (Updated on July 9, 2025)
What is the substrate of soft bottom communities on continental shelves?
Regional SpecificsSoft-bottom communities occur in areas with weak currents. The seabed consists of fine sediments (fine sand, silt, mud). This is a suitable habitat for burrowing organisms like polychaete worms, amphipods and bivalves. Most of these organisms are deposit-feeders, feeding on particles of organic matter in the sediment. What types of substrate dominates the continental shelf?
Posted on April 16, 2022 (Updated on July 9, 2025)
Which rock is formed as a result of the three stages?
Regional SpecificsWhat are the 3 stages of rocks? There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle. What are the three 3 main rocks that soils are formed from? The three major
Posted on April 16, 2022 (Updated on July 9, 2025)
Which mineral will not scratch quartz?
Regional SpecificsDiamond is the hardest mineral; no other mineral can scratch a diamond. Quartz is a 7.…Mohs Hardness Scale. Hardness Mineral 10 Diamond Can you scratch quartz crystal? Quartz is harder than any of the common minerals in meteorites. Quartz is so hard that it will easily make a deep scratch in glass. Even if you