C2C, or customer-to-customer, or consumer-to-consumer, is a business model that facilitates the transaction of products or services between customers.
Biohazard Symbol â history and meaning Biohazard Symbol â also known as biological hazards is a symbol that refers to biological substances that pose a health hazard to humans and animals.The symbol is generally used as a warning, so that those who are exposed to the elements can take precautions.The biohazard symbol was developed in 1966 at the initiative of environmental and health engineer Charles Baldwin at the Dow Chemical Company.He had observed that there were many different types of biohazard-related signs and thought it was dangerous, because few people knew their meaning.he biohazard symbol was developed in 1966 at the initiative of environmental and health engineer Charles Baldwin at the Dow Chemical Company. He had observed that there were many different types of biohazard-related signs and thought it was dangerous, because few people knew their meaning.
Biomarkers (short for biological markers) are biological measures of a biological state. By definition, a biomarker is a characteristic that is objectively measured and evaluated as an indicator of normal biological processes, pathogenic processes or pharmacological responses to a therapeutic intervention..iomarkers are used to predict serious illnesses such as diabetes and cardiovascular disease. Each individual biomarker indicates whether there is a disease or health state and can be combined to provide a detailed picture of how healthy a person is and whether or not a diagnosis needs to be made.