Students set up the circuit pictured below. How will this circuit need to be changed so that currents can flow from the battery to light the bulb?

•Add one more battery.
•Increase the amount of wire used.
•Close the switch.
•Place the bulb closer to the battery.​

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems

Which animal receives the greatest amount of the original energy found in the producers

What tissue type has polarity and is avascular? what tissue type has polarity and is avascular? a. muscle b. connective tissue c. nervous tissue d. epithelium