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What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
Mercury is a metal that when present in the water of lakes, rivers, and seas contaminates fishes, molluscs, crustaceans, and other living beings. The mercury accumulates with the food chain and in each following trophic level the amount of the metal within the individuals is higher. When humans eat contaminated animals they also become contaminated and severe nervous system injuries may emerge. The main sources of mercury pollution are gold mining and the use of derived substances in industry and agriculture.
Q. What is Goitrogens anti-thyroid substance? Ans. Goitrogenslanti-thyroid substances present in certain plant foods have been found to interfere with the uptake of iodine
details and terms used in growth and development?
Explain Wire loop and Tube Method 1. Use a 25-gauge dental injection needle, cut to remove beveled end 2. Both ends of-mm diameter steel ligature wire passed through the ne
All of the following make meiosis different from mitosis; EXCEPT A. Meiosis comprises two separate divisions. B. Meiosis only occurs during embryonic development. C. Chromoso
Q. How do the potassium and sodium ions maintain the resting potential of the neuron? The plasma membrane of the neuron when at rest maintains an electric potential difference
What is meant by bioassay? Name the two bioassays that are used to determine auxin activity in plants.
External Auditors Reports The audit report is the final stage in the process of an audit. The terms 'true and fair' 'present fairly' have special significance in the audit
Homeostasis Homeostasis may be defined as the maintenance of constancy in the internal environment of the organism. This is essential for maintenance of life. Without homeost
Define animals
#what characteristics of green algae that led to biologists considered it as a plant?
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