How does the circuit change when the wire is added?
a) a closed circuit occurs and makes all bulbs turn off.
b) an open circuit occurs and makes all bulbs turn off.
c) a short circuit occurs and makes bulbs 3 and 4 turn off but keeps bulbs 1 and 2 lit.
d) a short circuit occurs and makes bulbs 1 and 2 turn off but keeps bulbs 3 and 4 lit.

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above

Suppose that a cylindrical tank 6 meters high with a radius of 2 meters is filled to the rim with water. the tank is buried so that the top of the tank is 1 meter below ground level. the space above the tank is not filled with water. calculate how much work needs to be done by a pump to pump the water out of the tank up to ground level. (the water weighs 9,800 newtons per cubic meter.)

What about a rubber band, can it change its shape? is it a solid?