What Are Greenhouse Gases?

Greenhouse gases (GHG) are molecules that absorb and radiate energy in the infrared spectrum, causing heat to be trapped on Earth. Their concentration is increasing […]

What Is Medical?

Medical is the science or practice of treating disease, injury or other abnormality with medicines and surgery. It is a vast field that encompasses many […]

What Is Law?

Law is the body of rules that governs a society, including customs and policies recognized as binding by a community and enforced through a controlling […]

What Is Unemployment?

Unemployment is the percentage of workers who are without jobs and actively seeking work. It is one of the most widely monitored economic indicators and […]

Symptoms of a Cold

Symptoms are the signs and feelings that a person experiences that may indicate they have a disease or illness. Symptoms are not observed or measured […]