The presence of hazardous materials can always be detected by the sense of smell.

Question

Question: The presence of hazardous materials can always be detected by the sense of smell.

Options:

1.  True
2.  False

Answer 1

2. False

The presence of hazardous materials can NOT always be detected by the sense of smell.

There are many materials which are hazardous in nature but can't be detected by the smell of human beings.