Question
answer the questions
Some of the evidence for the existence of dark matter is that A) the standard model predicts that it should exist B) the big bang model predicts that it should exist C) there is more force causing stars to rotate around galactic centers than visible matter can account for D) we can see it directly The evidence for the existence of dark energy is that A) the standard model predicts that it should exist B) the big-bang model predicts that it should exist C) the universe seems to be speeding up as it expands D) we can see it directly The reason why the LHC was built to look for the Higgs boson is that A) the standard model predicted that it should exist B) the big-bang model predicted that it should exist C) the LHC was actually not built to look for the Higgs D) we observed them elsewhere directly Compared to a bar of pure gold, the density of a pure gold ring is A) less. B) the same. C) slightly more. D) much more.
Explanation / Answer
23) C) there ismore force causing stars to rotate around galactic centers than visible matter can account for
24) C) the universe seems to be speeding up as it expands
25) B) the big bang model predicted that it should exist
26) B) the same