You are discussing a material that readily accepts the flow of electrons. this is a description of a(n)

a) conductor
b)insulator
c)semi-insulator
d)semi-conductor

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers