HURRY PLEASE Sarah says that galaxies are larger than solar systems. What evidence supports this claim?
Group of answer choices

Galaxies are made of stars.

Our solar system is at the heart of the Milky Way Galaxy.

Solar systems are older than galaxies.

Solar systems and galaxies are about the same size.

Different isotopes indicate that an element will have different numbers of

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line