Whats the recomended amount of uv protected that sunglasses should provide

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

Cammy is cooking hamburger patties for lunch. after a few minutes on the grill, she checks the internal temperature of the patties and finds them to be at 135°f. what should cammy do next?

Place a check mark in the box to indicate which type of mutation is being shown. super urgent