The law of reflection states that the angle of incidence is equal to the angle of reflection. true or false.

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

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

How can waves travel through ground?