Average salinity or ratio of salt as per kilogram of water of ocean is__________?
Correct answer: A. 35 grams
- A. 35 grams
- B. 55 grams
- C. 32 grams
- D. 42 grams
Explanation
Average ocean salinity is about 35 grams of dissolved salts per kilogram of seawater, often written as 35 parts per thousand. Local salinity varies because of evaporation, rainfall and freshwater input.
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Environmental science covers ecosystems, food chains and webs, energy flow, biogeochemical cycles, biodiversity, natural resources and population effects. Atmospheric study includes the layers and composition of air, weather and climate, greenhouse gases, global warming, ozone depletion, acid rain and pollution, with climate change distinguished from ordinary weather variation.
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