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Mercury is a heavy silvery-white metal that is liquid at room temperatures. It is commonly used in thermometers, nano-meters and barometers, thus it is present in nearly every chemistry and physics lab. Confined in such instruments mercury itself is not likely to cause health problems, but if there is a means for mercury vapor to enter the environment, these highly toxic vapors present a health hazard.
A fluorescent lamp tube is filled with a gas containing low pressure mercury vapor and argon, xenon, neon, or krypton. Fish can absorb methyl mercury from their food and directly from water as it passes over their gills.
Following are the statements pertaining to as a strip-plot-design
A. Vertical strip-plot and horizontal strip-plot are never perpendicular to ...
The Punjab Agricultural University (PAU) has developed a new variety of wheat to keep obesity and diabetes in check. The variety is
Bitter pit is the physiological breakdown of cells under the skin, causing slight depressions generally concentrated at the calyx end of the fruit. Bitt...
RM (Reichert Meissl) Number test is done to check the purity of?
Food grain markets are the example of ________.
The optimum age of seedling for transplanting long duration rice varieties is
Which of the following types of gene interactions is demonstrated by the ABO blood group system in humans?
Match the following meteorological instruments with their uses:
Weed biotypes resistant to a herbicide fall susceptible to the same herbicide if not used for a long period of time is ____________ resistance
What is required in an organic crop production plan?
