As more resistors are added to a series circuit, what happens to the total resistance

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Rohit is trying to tune an instrument

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