Shape and size doesn't affect the density of an object but temperature does affect the density of an object because the molecules act differently in different temps.
Answer:
3-1-5-2-4
Explanation:
scientists believe that the solar system was formed when some star had its explosion and due to its explosion there were waves generated in the space thus squeezing clouds and dust eventually gravity pulling everything together forming solar nebula. the clouds spin faster and faster thus making it into a thin disk and also the cloud becoming hotter and dense thus forming stars.
Answer:
Light
Explanation:
1 They were not albe to see at night because it was dark so the lack of light caused them to use echolocation.
Hope this helps
Speed = Wavelength x Frequency
and frequency = 1/Period
Speed = Wavelength/Period
Speed = .5 * 2
Speed = 1 m/s
