This method of treating water kills microbes and removes other contaminates such as heavy metals. a. boiling. b. distillation. c. chlorination

According to your text, the best way to reduce the number of germs is by ventilating spaces and a. cleaning all toys, books, and materials every day. b. keeping all potentially sick individuals out of the center. c. minimizing strenuous physical activity among the children. d. cleaning, sanitizing, and disinfecting surfaces and materials.

En el ecuador existieron comunidades prehispanicas que practicaban algun tipo de ritual de enterramiento como el que se describe en el articulo la solidaridad comenzo en las cabernas

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.