Question

which of these items provide evidence supporting the big bang theory? select the two correct items
a. cosmic background radiation
b. sizes and shapes of distant galaxies
c. composition of matter in the universe
d. rate of star formation

Answers

GPT-4o mini
The two items that provide evidence supporting the Big Bang Theory are:

a. **cosmic background radiation** - This refers to the faint afterglow of the Big Bang, known as the Cosmic Microwave Background Radiation (CMB), which is a critical piece of evidence for the theory.

c. **composition of matter in the universe** - The observed abundance of light elements such as hydrogen, helium, and lithium can be explained by the processes of nucleosynthesis that occurred during the first few minutes after the Big Bang.

So, the correct answers are **a** and **c**.

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