Which statements about the Milky Way are true? Choose more than one answer. It is constantly moving

Stars and planets make up most of its mass

It contains very little dust and gas

It contains millions of stars

It has a spiral shape

It has an undefined shape

What organelle other than the nucleus houses dna in a eukaryotic cell?

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geographical equipment to analyze the composition of rocks

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.