Respuesta :
The answer is 100.
If acid precipitation rain changes the ph of a pond from 7.5 to 5.5, the level of hydrogen ion has changed by a factor of 100.
What is acid rain?
Rain or any other form of precipitation that is unusually acidic, that is, with high quantities of hydrogen ions, is referred to as acid rain (low pH). While the neutral pH range for most water, including drinking water, is between 6.5 and 8.5, acid rain often has a pH between 4-5. The pH of acid rain decreases with increasing acidity. Infrastructure, marine life, and plants can all be harmed by acid rain. Sulfur dioxide and nitrogen oxide emissions cause acid rain by reacting with the water molecules in the atmosphere to create acids.
It has been demonstrated that acid rain negatively affects soils, freshwaters, forests, microorganisms, insects, and aquatic life-forms. [3] Ecosystems with persistent acid rain have less resilient tree bark, making the flora more vulnerable to environmental stresses including drought, extreme heat or cold, and pest infestation. By depleting soil of elements like calcium and magnesium, which are important for plant growth and soil health, acid rain can also harm the makeup of the soil. In addition to having an effect on human health, acid rain also causes paint to peel, corrosion of steel structures like bridges, weathering of stone buildings and statues, and weathering of painted surfaces.
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