Answer: Earth's rotation
Explanation:
Luis was most trying to model the Earth's rotation. As you know the earth rotates around it's axis once every 24 hours and this is why we have different times in the day because the sun shines on different parts of the Earth as it rotates.
Luis used the flashlight as the sun and when he used the toothpick to spin the model of earth, the model would represent earth rotating around its axis.
Pretty sure it's D, hope I helped
Answer:
The answer is A because the water has strong surface tension, I didn't know why but I know it's surface tension holding it up so it has to be A
