In an experiment, the is the part that does not change. A) independent variable B) constant C) dependent variable

Which statement summarizes how the chart illustrates the author position on ethanol

What must students do with the 10 gird-ins on the math section of the psat

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.