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From which primary source does mercury primarily emanate?

ABattery manufacturing

BCoal combustion

CGasoline combustion

DPesticide production

Answer:

B. Coal combustion

Read Explanation:

  • Mercury primarily emanates from coal combustion, electric/light bulb, wood preservatives, leather tanning, ointments thermometers, adhesives and paints.

  • Cadmium often originates from industries like battery manufacturing, paint pigments, pesticides, galvanized pipes, plastics, polyvinyl and copper refineries.

  • Lead an extremely toxic metal, commonly originates from substances like Pb-based paints, gasoline and mobile batteries.

  • Chromium is emitted from a variety of industrial activities, including petroleum refining, electroplating, leather tanning, textile manufacturing, and pulp processing.


Related Questions:

Which one of the following gases can deplete ozone layer in the upper atmosphere?

Which of the following are mechanisms through which pesticide degradation can occur?

  1. Pesticide degradation can occur through chemical degradation, photo-degradation, and microbial degradation.
  2. Pesticides only degrade through absorption into plants.
  3. Degradation primarily happens through physical transport processes like runoff.
  4. Pesticides do not degrade; they only volatilize or leach.
    താഴെ തന്നിരിക്കുന്നവയിൽ മനുഷ്യരിലും മൃഗങ്ങളിലും വായു മലിനീകരണം ഏറ്റവും ദോഷകരമായി ബാധിക്കുന്നത് എന്തിനെയാണ് :
    Aluminium phosphide is an example of which type of pesticide?
    Besides diet, through what other route can methylmercury be transmitted from mother to child?