Which evidence supports the idea that Cosmic Microwave Background radiation is a remnant of the Big Bang?(2 points)

Question

Responses

Its mass fluctuates greatly.
Its mass fluctuates greatly.

Its temperature is uniform.
Its temperature is uniform.

Its mass is uniform.
Its mass is uniform.

Its temperature fluctuates greatly.

Answer 1

The evidence that supports the idea that Cosmic Microwave Background (CMB) radiation is a remnant of the Big Bang is:

• Its temperature is uniform.

This uniformity suggests that the CMB is the leftover thermal radiation from the early universe, providing strong support for the Big Bang theory.