L2 M
M
16. Which statement is true regarding the process-control relay ladder diagram shown in the figure?
O A. With the temperature switch closed, the motor will start once the push button is pressed.
B. Only the temperature switch has to close for the motor to start.
C. With the pressure switch closed and the push button released, the motor will start.
D. The pressure switch, temperature switch, and push button must be closed for the motor to start.

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation