What are short wavelengths that will burn your skin called

How do economists measure the success, or shortcomings, of the economy?

Figure out who is lying and telling the are 2 truth telers and 3 liarsperson a says person e is lyingperson b says person c is lyingperson c says person b id lyingperson d says person b is telling the truthperson e says person c is telling the truth

Ineed ideas for how to have fun with my friends i feel like they dont like me