Which part of a circuit creates an electric force field that makes it possible for the circuit to work?

-bulb

-buzzer

-motor

-voltage source

Which of the following is a conversion from light energy to chemical energy? a. turning on a stove to heat dinner b. growing an apple tree c. turning on a lamp d. Turning on a blender

Why are collisions between galaxies more likely than collisions between stars within a galaxy?

Write down the equation giving its position y ( + upward) as a function of time t. Assume the object started by being compressed 17cm from the equilibrium position (where y = 0), and released.

What are some of physicals properties that describe terriers

Which of the following is a limited resource, which can take longer to be replenished than it takes to be used up?

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

An experiment is performed to obtain the value of a physical property. If the true (i. e., correct) value of the property is 50 and the measured (i. e., experimental) value is 32, the percent error of the experimental result is:

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called