The correct answer for the question that is being presented above is this one: "A. Thermostat." A percolator is a coffee-making appliance which hold the ground coffee in a strainer As the water heats, it is pumped and circulates through the coffee.
Here are the following choices:
A. Thermostat.
B. Automatic valve.
C. Low-heat element.
D. ON/OFF switch.
