Why is this guy's che. eks showing through his pa. nt. s during a SCHOOL LESSON.

like w t f?!

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

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

The discovery of the electron as a subatomic particle was a result of