What is a common odor associated with hydrogen sulfide (H2S)?

Hydrogen sulfide (H2S) is well-known for its distinctive smell, which is often described as similar to that of rotten eggs. This odor arises from the presence of H2S in various natural and industrial processes, such as the decomposition of organic matter, sewage treatment, and certain types of industrial waste. Recognizing this smell is important because it serves as a warning sign. Hydrogen sulfide can be toxic and hazardous in high concentrations, making it crucial for workers in wastewater management and other related fields to be aware of its presence through its characteristic odor.

The other options provided do not accurately reflect the smell of hydrogen sulfide. For example, freshly cut grass has a clean, fresh scent associated with chlorophyll and plant oils, while roses emit a sweet, floral fragrance. Burnt rubber has a sharp, acrid smell that is quite different from the pungent, sulfuric scent of rotten eggs linked to H2S. Understanding this unique odor helps in identifying the potential risks associated with exposure to hydrogen sulfide in various environments.