You and your friends are sledding on a hill. Develop a hypothesis regarding the effects of different factors on your sled speed.
Explain how you could perform a controlled experiment to test the hypothesis you proposed in the question before.

scorpions are,

c.arachnids

  scorpions are animals in the order scorpiones, under the class arachnida, which makes them a distant cousin of spiders

happy to

pls mark as brainliest.

b.a device that inputs heat into a cool object

a sonic boom is a loud boom that breaks the sound barrier

explanation:

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.