Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

What is the function of the commutator in a DC motor? A. to spin the magnet B. to change direct current into alternating current C. to change alternating current into direct current D. to spin the wire coil

A can cause a driver to take risky chances or make bad choices

If you wanted to calculate the density of a baseball and you knew its mass and volume you would need the density formula and a (n) - A. calculator B. triple-beam balance, the formula for the volume of a sphere and a calculator. C.

Which object has the least amount of kinetic energy? Spinning top Ball rolling water falling out of cup Roller coaster

12co2 chemical/compound name

If a train going 60 m/s hits the brakes, and it takes the train 1 minute 25 seconds to stop, what is the train's acceleration?

A scientist who performs an experiment has no idea what the outcome of the experiment is going to be. True or False

Why should a truck have an engine that can produce more force than a regular car? A) "Net forces" do not affect cars and trucks the same way.

How does a electron travel through a closed circuit?

Most people can detect frequencies as high as 20 000 Hz. Assuming the speed of sound in air is 345 m/s, determine the wavelength of the sound corresponding to this upper range of audible hearing.