The table shows results of an experiment that was replicated. Which best describes the data? They are neither precise nor reproducible. They are precise but not reproducible. They are accurate and reproducible. They are accurate but not reproducible.

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

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.