<span>The answers are:
bulb, motor, buzzer and swtich.As seen in the picture attached,
The electric current leaves the battery passes through
the bulb. It then travels through the
motor, next through the
buzzer and finally passes through the
switch before returning to the battery.</span>
1200 mL
1.2L*1000mL/1L=1200mL (after canceling alike units)
Hope this helps:)