Not defined because of the vertical line.
They are made up of mainly hydrogen and helium. They are called the gas giants
Explanation: The standard unit of velocity is metre per second. Velocity can be defined as the displacement of a body per unit time.
Answer:
cyneon hexane
Explanation:
there are 6 carbons in the bond and the functional group of CN is cynaide...
1. All the galaxies are moving away from each other, suggesting that they all came from the same place in space. (the red shift)
2. There was cosmic microwave background radiation in space that was predicted by the big bang model.
3. The abundances of the elements can be explained using the big bang theory.