Ask your own question, for FREE!
Biology 18 Online
OpenStudy (anonymous):

One student made a science model with a balloon having many spots on it. The balloon was blown up gradually as shown below. Look at the attachment What is best demonstrated by this model? a) galaxies move closer when the universe expands B) density of particles in space decreases when the universe expands c) gravitational force determines the distribution of matter in the universe d) gravitational force on galaxies decreases when the Universe expands

OpenStudy (anonymous):

OpenStudy (anonymous):

@HeatherBrieanna

OpenStudy (anonymous):

@BreanneAndrews

OpenStudy (anonymous):

I dont know

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!