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Q. What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
The Mercury is a metal that when present in the water of rivers, seas and lakes contaminates fishes, crustaceans, molluscs and other living beings. The mercury accrues along the food chain and in each following trophic level the amount of the metal within the individuals is higher and when humans eat contaminated animals they also become contaminated and severe nervous system injuries may emerge. The major sources of mercury pollution are gold mining and the use of derived substances in agriculture and industry.
Explain Demography, Demographic Transition and Demographic Cycle We know that population of different countries in the world is always changing. For some countries like India a
oxygen affecting the growth of microorganism? The presence of oxygen in the atmosphere is required for the survival of human beings. Contrary to this, you would realize that th
Explain the Primary and Secondary air Pollutants a. Primary pollutants -emitted directly Particulate matter ( Sulfur dioxide (SO 2 ) Nitrogen dioxide (NO 2 )
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Respiratory System in Living Organisms Respiration is a necessary physiological process in all living organisms by which they obtain energy for carrying out all the metabolic
How many asymmetric carbons does the amino acid serine have? Please explain with a strucutral diagram if possible.
Ecology and Ecosystem The concepts of environment, ecology, ecosystem, energy flow and nutrient cycling in the foundation course on Science and Technology. As you are aware ec
Which of the following is true for a toe motor neuron that excites a toe muscle that moves the big toe in the right foot? A. The cell body of the toe motor neuron is located in
Where does most of the water resorbed after glomerular filtration go? What are the other substances resorbed by the nephron tubules? Only 0.5 to 1% of the glomerular filtrate i
Chloroplasts is the disk-like organelles with the double membrane found in eukaryotic plant cells; contain thylakoids and are the site of the photosynthesis. ATP is produced durin
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