What would be the first thing to do if your clothes caught on fire while working in a laboratory

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

What is any method of measuring the age of an object or event in years, such as using atomic half-life?