Can someone me with this 's earth space science

11 words used to describe an object are called itsor characteristics. total12 is the amount of matter in an object. helt udedelerde elettroduodet littletadli dituntut uploaded13 the metric unit used to measure weight is them.14 if a toy has a mass of 1 kg, it has an earth weight 15 the density of liquid water isti

An observer that stands still as the electron moves by him, will observe

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory