The question above is incomplete, the options attached to the question are:
A. Poor Hygiene.
B. Toothpick
C. Employee snacking
D. Virus.
ANSWER
The correct option is D.
Biological contaminants in form of different types of bacteria, viruses and other parasites are the biggest cause of food borne illnesses. Food borne illnesses occur by consuming foods that have been contaminated by these microorganisms. Common symptoms of food borne illnesses are: vomiting, diarrhea, abdominal cramps, nausea, fever, etc. Incubation period of these biological contaminants can range from few hours to one week. <span />
it does not lead to genetic variation in a population.
the species may only be suited to one habitat.
disease may affect all the individuals in a population.
The percentage of organic matter which sinks into deeper water is; 10%.
<h3>What is organic matter?</h3>
The percentage of organic matter produced in the euphotic zone and which subsequently, sinks to deep waters is 10%.
This can be attributed to the fact that 90% of the organic matter produced in the euphotic zone is decomposed in the euphotic zone.
Read more on organic matter;
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