Question

Toxicology:

Which of the following cheimical transport processes are examples of advection (select all that apply)?

A. Toxicant is transported by wind for 10 miles

B. Toxin accumulates on leaves and is then transported to soil when leaves fall

C. Toxin is transported from water surface into the air

D. Toxin is released by a single discharge into a pond upon which the toxin slowly accumulates at the same concentration throughout pond.

E. Toxin is transported downstream in a river to a lake

Answer 1

Ans:- Option A ,B ,E are correct

Advection:- It is transfer of heat, humanity , toxins and other matter in the form of fluid/wind flow .

Example of cheimical transport processes of advection:-

A. Toxicant is transported by wind for 10 miles.

B. Toxin accumulates on leaves and is then transported to soil when leaves fall

E. Toxin is transported downstream in a river to a lake

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