NEED HELP PLZ EARTH SCI AND DESPERATE TO HURRY!!!!!

Question

anonymous · Answer

One astronomer believes that the density of the universe remains constant. One physicist believes that the density of the universe changes over a period of time. Which of these statements best explains why the astronomer and physicist have different views on the density of the universe? 

 Most data on density of the universe are inaccurate. 

 Scientists provide different theories to strengthen science. 

 Scientists having different interests arrive at different conclusions. 

 Most experiments on density of the universe cannot be repeated.

anonymous · Answer

b i think

anonymous · Answer

Which of these statements best explains why space exploration should continue in the future? 

 Space technology helps prevent explosions in space. 

 Space exploration prevents the occurance of severe weather conditions on Earth. 

 Space technology helps create products to improve life on Earth. 

 Space exploration proves that observations taken from Earth are always incorrect.
u help with this?

anonymous · Answer

*thnx can