How do scientists determine what the milky way looks like

 When astronomers developed ways to measure distances, they could plot, this angle from north, this many light years, so relative to us that star is here. Plot many stars this way and you will see the shape of the galaxy i think this is a response right?

 astronomers developed ways to measure distances by plotting, they could plot, this angle from north, this many light years, so relative to us that star is here. Plot many stars this way and you will see the galaxy forming 

Answer is c because in exothermic reactions, energy releases.in cellular respiration,atp+h20 (water) = adp+ pi + energyso celullar respiration is exothermic and releases energy

Awoodchuck would chuck all the wood he could chuck if a woodchuck could chuck wood.