Some producers use chemicals rather than sunlight ,this processes is called chemosynthesis
Few producers live deep below a lake's surface because light penetration decreases with depth, limiting photosynthesis. Without sufficient light, plants and algae struggle to photosynthesize and produce energy, resulting in fewer producers thriving in deep areas of lakes.
Few producers live deep below a lake's surface primarily due to the lack of sunlight, which is essential for photosynthesis. In deeper waters, light penetration decreases significantly, limiting the growth of aquatic plants and phytoplankton that rely on sunlight. Additionally, the colder temperatures and varying nutrient availability in these depths further hinder the survival and productivity of these organisms. As a result, most producers are found in the upper layers of the water column where light and nutrients are more abundant.
Rivers' surface located in deep valleys can be below of the ocean surface. Furthermore, there are underground rivers which certainly are below sea level, depending on how deep such rivers are placed below-ground.
yes
Igneous rock can form deep below the surface as intrusive igneous rock, or on or near the surface as extrusive igneous rock. X Answer is: Igneous
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Igneous rock can form deep below the surface as intrusive igneous rock, or on or near the surface as extrusive igneous rock. X Answer is: Igneous
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Deep currents
The water that forms far below the surface is called a Deep Current.
4,000 to 6,000 km below the ocean surface
30 feet