Which of the following is a unit for mass in the metric system?

Changes in ___ are likely to be some of the most significant factors in changing fire behavior

A. fuel type B. ventilation C. ambient conditions D. thermal properties of the compartment

The most serious chest injury resulting from rapid deceleration is

a. aortic rupture. b. hemothorax. c. subcutaneous emphysema. d. sternoclavicular separation.