Which of the following is NOT true about the above graph?

Question

Quizplus · Accepted Answer

The graph shows the temperature of the universe decreasing over time, from around 10^32 K shortly after the Big Bang to around 10^3 K at around 380,000 years after the Big Bang. Therefore, temperature decreases with time, not increases, making option D the incorrect choice. Option A is true and is supported by the graph, as the spike in helium abundance occurs at around 3 minutes after the Big Bang, indicating that helium was formed early in the universe when temperatures were high enough for nuclear fusion. Option B is also true, as recombinations occur at around 3000 K, while electron-positron annihilation occurs at higher temperatures of around 10^9 K. Option C is true as well, as there is a period in the early universe where radiation and matter are in thermal equilibrium, neither dominating the energy density of the universe.

Which of the Following Is NOT True About the Above