Matter cant be created or destroyed
true
false

What happens to light waves from a star as the star moves away from earth?

Question 1 of 15 2 points when doing science as inquiry, you should have some idea of what you think the final result will be. o a. true o b. false submit

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not