Answer:
i would say that sled dogs are pretty useful today because they're a way of transportation and help you to travel through the snow as opposed to just using things like skis ooor snowboards or snowmobiles.
Explanation:
Answer: Type of paper and force of throw.
Explanation:
Depending on the type of paper, the weight may change which will affect the throw. For the reason he is testing the <u>shape</u> affecting the flight, and not the weight, the paper would have to be the same kind. The force of the throw could also affect the distance, so that would also have to stay the same in order to be properly tested.
