The electromagnetic latching relay:

A. uses a latch coil to set and hold the relay in the latched position.
B. uses an unlatch coil to disengage the mechanical latch.
C. is used to lock in a condition

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air