5. why might it be useful to determine the elements that a planet or moon is made up of?

This could be useful to us because then we learn about what planets and moons have on them. Also we now can see different planets from earth and we can tell what is on them and if there could possibly be life on them.

Hope This Helps!

volts times amps 6 x 0.5 3w

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.