PLEASE HELP 50 POINTS Q12. Do some research to find out what the difference is between experiment data and experiment result. Please, explain your answer including an example.

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

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