Are a type of technology that uses sound waves to view soft tissues in the body.

ultrasound

Explanation:

Ultrasound (or sonography) uses reflected sound waves to create real-time images of soft tissues, including muscles, blood vessels and organs. including babies

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.