What is the main difference between shelf fungi, puffballs, and mushrooms?

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

Name the glands associated with human digestive system