the independent variable is what you're testing or changing in an experiment, so the answer is the temperature of the ball when its dropped.
i hope that helped <3
The answer is 50% of the paper production
Answer:
The answer is B. red, orange, yellow, green, blue, indigo, violet
Explanation:
Most textbooks have the acronym ROYGBV to express the order in which colors appear on the spectrum of light, indigo is included in your list, and that's not a problem, although it's not typical. This spectrum of light is the same order in which colors appear in rainbows.
The answer, I believe, is, "B. When particles collide, no energy is lost."