Mineral salts come directly froma)earth crust.b)water cycle.c)atmosphe...
Mineral salts come directly from the earth’s crust by weathering where the soluble salts enter the water cycle, eventually reaching the sea.
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Mineral salts come directly froma)earth crust.b)water cycle.c)atmosphe...
Mineral Salts: Origin from Earth’s Crust
Mineral salts are essential inorganic compounds that play a vital role in various biological and geological processes. Understanding their origin helps in comprehending their importance in ecosystems and human health.
Source from Earth’s Crust
- Mineral salts are primarily derived from the Earth’s crust, which is composed of various minerals.
- As rocks undergo weathering—through processes like physical erosion, chemical reactions, and biological activity—these minerals break down and release ions.
- These ions, including sodium, potassium, calcium, and magnesium, form mineral salts that are crucial for plant growth and essential for human nutrition.
Role in Ecosystems
- The mineral salts leach into the soil and water bodies, making them available for uptake by plants.
- Plants absorb these mineral salts, which are vital for processes such as photosynthesis, nutrient transport, and cellular function.
- Animals, including humans, obtain these essential minerals through their diet, which is derived from plants and other animals.
Comparison with Other Sources
- While the water cycle and atmosphere contribute to the distribution of mineral salts, they do not originate from these sources.
- The water cycle can transport minerals but does not create them; similarly, the atmosphere primarily contains gases and can influence weathering but does not introduce new mineral salts.
- Forest biomes may store and utilize mineral salts, but they are ultimately sourced from the Earth’s crust.
In summary, mineral salts originate from the Earth’s crust, highlighting the interconnectedness of geological processes with biological systems. Understanding this can lead to better agricultural practices and resource management.