Which qualities should an experiment have to be replicable and valid? check all that apply. clearly detailed results a well-cited research paper one tested variable trials conducted in a laboratory a list of the steps taken in the experiment

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.

The law of reflection states that the angle of reflection is equal to the angle of